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Finding the Fourth Proportional to 218,328,488.80, 327,398,254.80 and 88,893,080.80

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Solution

The fourth proportional to 218,328,488.80, 327,398,254.80 and 88,893,080.80 is: 133,301,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,328,488.80 : 327,398,254.80 = 88,893,080.80 : x
  2. Step 2: Convert to fraction form
    218,328,488.80/327,398,254.80 = 88,893,080.80/x
  3. Step 3: Cross multiply
    218,328,488.80x = 327,398,254.80 × 88,893,080.80
  4. Step 4: Simplify right side
    218,328,488.80x = 29,103,439,517,715,388
  5. Step 5: Solve for x
    x = 29,103,439,517,715,388/218,328,488.80
  6. Step 6: Final answer
    x = 133,301,154.04

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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.