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Finding the Fourth Proportional to 168,439,510.20, 252,659,265.30 and 168,439,510.20

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Solution

The fourth proportional to 168,439,510.20, 252,659,265.30 and 168,439,510.20 is: 252,659,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,439,510.20 : 252,659,265.30 = 168,439,510.20 : x
  2. Step 2: Convert to fraction form
    168,439,510.20/252,659,265.30 = 168,439,510.20/x
  3. Step 3: Cross multiply
    168,439,510.20x = 252,659,265.30 × 168,439,510.20
  4. Step 4: Simplify right side
    168,439,510.20x = 42,557,802,894,623,856
  5. Step 5: Solve for x
    x = 42,557,802,894,623,856/168,439,510.20
  6. Step 6: Final answer
    x = 252,659,265.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.