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Finding the Fourth Proportional to 181,515.71, 272,290.64 and 53,432.08

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Solution

The fourth proportional to 181,515.71, 272,290.64 and 53,432.08 is: 80,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,515.71 : 272,290.64 = 53,432.08 : x
  2. Step 2: Convert to fraction form
    181,515.71/272,290.64 = 53,432.08/x
  3. Step 3: Cross multiply
    181,515.71x = 272,290.64 × 53,432.08
  4. Step 4: Simplify right side
    181,515.71x = 14,549,055,259.73
  5. Step 5: Solve for x
    x = 14,549,055,259.73/181,515.71
  6. Step 6: Final answer
    x = 80,153.15

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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.