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Finding the Fourth Proportional to 168,171,490.15, 252,257,235.23 and 168,171,490.15

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Solution

The fourth proportional to 168,171,490.15, 252,257,235.23 and 168,171,490.15 is: 252,257,235.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,171,490.15 : 252,257,235.23 = 168,171,490.15 : x
  2. Step 2: Convert to fraction form
    168,171,490.15/252,257,235.23 = 168,171,490.15/x
  3. Step 3: Cross multiply
    168,171,490.15x = 252,257,235.23 × 168,171,490.15
  4. Step 4: Simplify right side
    168,171,490.15x = 42,422,475,149,748,176
  5. Step 5: Solve for x
    x = 42,422,475,149,748,176/168,171,490.15
  6. Step 6: Final answer
    x = 252,257,235.23

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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.