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Finding the Fourth Proportional to 59,952.97, 90,031.52 and 57,445.21

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Solution

The fourth proportional to 59,952.97, 90,031.52 and 57,445.21 is: 86,265.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,952.97 : 90,031.52 = 57,445.21 : x
  2. Step 2: Convert to fraction form
    59,952.97/90,031.52 = 57,445.21/x
  3. Step 3: Cross multiply
    59,952.97x = 90,031.52 × 57,445.21
  4. Step 4: Simplify right side
    59,952.97x = 5,171,879,573.02
  5. Step 5: Solve for x
    x = 5,171,879,573.02/59,952.97
  6. Step 6: Final answer
    x = 86,265.61

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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.