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Finding the Fourth Proportional to 115,599.65, 173,398.65 and 59,455.41

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Solution

The fourth proportional to 115,599.65, 173,398.65 and 59,455.41 is: 89,182.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,599.65 : 173,398.65 = 59,455.41 : x
  2. Step 2: Convert to fraction form
    115,599.65/173,398.65 = 59,455.41/x
  3. Step 3: Cross multiply
    115,599.65x = 173,398.65 × 59,455.41
  4. Step 4: Simplify right side
    115,599.65x = 10,309,487,829.20
  5. Step 5: Solve for x
    x = 10,309,487,829.20/115,599.65
  6. Step 6: Final answer
    x = 89,182.69

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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.