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Finding the Fourth Proportional to 172,527,468.48, 258,704,664.48 and 57,471,560.64

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Solution

The fourth proportional to 172,527,468.48, 258,704,664.48 and 57,471,560.64 is: 86,178,513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,527,468.48 : 258,704,664.48 = 57,471,560.64 : x
  2. Step 2: Convert to fraction form
    172,527,468.48/258,704,664.48 = 57,471,560.64/x
  3. Step 3: Cross multiply
    172,527,468.48x = 258,704,664.48 × 57,471,560.64
  4. Step 4: Simplify right side
    172,527,468.48x = 14,868,160,812,513,174
  5. Step 5: Solve for x
    x = 14,868,160,812,513,174/172,527,468.48
  6. Step 6: Final answer
    x = 86,178,513.74

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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.