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Finding the Fourth Proportional to 266,425.52, 399,795.90 and 98,064.08

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Solution

The fourth proportional to 266,425.52, 399,795.90 and 98,064.08 is: 147,154.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,425.52 : 399,795.90 = 98,064.08 : x
  2. Step 2: Convert to fraction form
    266,425.52/399,795.90 = 98,064.08/x
  3. Step 3: Cross multiply
    266,425.52x = 399,795.90 × 98,064.08
  4. Step 4: Simplify right side
    266,425.52x = 39,205,617,121.27
  5. Step 5: Solve for x
    x = 39,205,617,121.27/266,425.52
  6. Step 6: Final answer
    x = 147,154.14

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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.