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Finding the Fourth Proportional to 272,167.93, 408,535.52 and 266,061.81

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Solution

The fourth proportional to 272,167.93, 408,535.52 and 266,061.81 is: 399,369.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,167.93 : 408,535.52 = 266,061.81 : x
  2. Step 2: Convert to fraction form
    272,167.93/408,535.52 = 266,061.81/x
  3. Step 3: Cross multiply
    272,167.93x = 408,535.52 × 266,061.81
  4. Step 4: Simplify right side
    272,167.93x = 108,695,700,102.19
  5. Step 5: Solve for x
    x = 108,695,700,102.19/272,167.93
  6. Step 6: Final answer
    x = 399,369.98

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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.