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Finding the Fourth Proportional to 59,110.60, 88,665.90 and 45,891.40

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Solution

The fourth proportional to 59,110.60, 88,665.90 and 45,891.40 is: 68,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,110.60 : 88,665.90 = 45,891.40 : x
  2. Step 2: Convert to fraction form
    59,110.60/88,665.90 = 45,891.40/x
  3. Step 3: Cross multiply
    59,110.60x = 88,665.90 × 45,891.40
  4. Step 4: Simplify right side
    59,110.60x = 4,069,002,283.26
  5. Step 5: Solve for x
    x = 4,069,002,283.26/59,110.60
  6. Step 6: Final answer
    x = 68,837.10

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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.