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Finding the Fourth Proportional to 59,008.80, 88,513.20 and 54,343.20

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Solution

The fourth proportional to 59,008.80, 88,513.20 and 54,343.20 is: 81,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,008.80 : 88,513.20 = 54,343.20 : x
  2. Step 2: Convert to fraction form
    59,008.80/88,513.20 = 54,343.20/x
  3. Step 3: Cross multiply
    59,008.80x = 88,513.20 × 54,343.20
  4. Step 4: Simplify right side
    59,008.80x = 4,810,090,530.24
  5. Step 5: Solve for x
    x = 4,810,090,530.24/59,008.80
  6. Step 6: Final answer
    x = 81,514.80

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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.