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Finding the Fourth Proportional to 266,106.54, 399,223.62 and 88,615.14

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Solution

The fourth proportional to 266,106.54, 399,223.62 and 88,615.14 is: 132,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,106.54 : 399,223.62 = 88,615.14 : x
  2. Step 2: Convert to fraction form
    266,106.54/399,223.62 = 88,615.14/x
  3. Step 3: Cross multiply
    266,106.54x = 399,223.62 × 88,615.14
  4. Step 4: Simplify right side
    266,106.54x = 35,377,256,977.61
  5. Step 5: Solve for x
    x = 35,377,256,977.61/266,106.54
  6. Step 6: Final answer
    x = 132,943.96

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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.