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Finding the Fourth Proportional to 59,891.80, 89,837.70 and 58,725.40

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Solution

The fourth proportional to 59,891.80, 89,837.70 and 58,725.40 is: 88,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,891.80 : 89,837.70 = 58,725.40 : x
  2. Step 2: Convert to fraction form
    59,891.80/89,837.70 = 58,725.40/x
  3. Step 3: Cross multiply
    59,891.80x = 89,837.70 × 58,725.40
  4. Step 4: Simplify right side
    59,891.80x = 5,275,754,867.58
  5. Step 5: Solve for x
    x = 5,275,754,867.58/59,891.80
  6. Step 6: Final answer
    x = 88,088.10

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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.