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Finding the Fourth Proportional to 266,324.01, 399,487.52 and 88,830.53

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Solution

The fourth proportional to 266,324.01, 399,487.52 and 88,830.53 is: 133,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,324.01 : 399,487.52 = 88,830.53 : x
  2. Step 2: Convert to fraction form
    266,324.01/399,487.52 = 88,830.53/x
  3. Step 3: Cross multiply
    266,324.01x = 399,487.52 × 88,830.53
  4. Step 4: Simplify right side
    266,324.01x = 35,486,688,129.99
  5. Step 5: Solve for x
    x = 35,486,688,129.99/266,324.01
  6. Step 6: Final answer
    x = 133,246.30

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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.