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Finding the Fourth Proportional to 168,024.30, 252,036.45 and 105,816.30

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Solution

The fourth proportional to 168,024.30, 252,036.45 and 105,816.30 is: 158,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,024.30 : 252,036.45 = 105,816.30 : x
  2. Step 2: Convert to fraction form
    168,024.30/252,036.45 = 105,816.30/x
  3. Step 3: Cross multiply
    168,024.30x = 252,036.45 × 105,816.30
  4. Step 4: Simplify right side
    168,024.30x = 26,669,564,604.14
  5. Step 5: Solve for x
    x = 26,669,564,604.14/168,024.30
  6. Step 6: Final answer
    x = 158,724.45

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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.