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Finding the Fourth Proportional to 266,011.92, 399,078.02 and 88,525.94

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Solution

The fourth proportional to 266,011.92, 399,078.02 and 88,525.94 is: 132,808.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,011.92 : 399,078.02 = 88,525.94 : x
  2. Step 2: Convert to fraction form
    266,011.92/399,078.02 = 88,525.94/x
  3. Step 3: Cross multiply
    266,011.92x = 399,078.02 × 88,525.94
  4. Step 4: Simplify right side
    266,011.92x = 35,328,755,079.76
  5. Step 5: Solve for x
    x = 35,328,755,079.76/266,011.92
  6. Step 6: Final answer
    x = 132,808.92

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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.