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Finding the Fourth Proportional to 59,573.64, 89,373.60 and 20,129.88

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Solution

The fourth proportional to 59,573.64, 89,373.60 and 20,129.88 is: 30,199.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,573.64 : 89,373.60 = 20,129.88 : x
  2. Step 2: Convert to fraction form
    59,573.64/89,373.60 = 20,129.88/x
  3. Step 3: Cross multiply
    59,573.64x = 89,373.60 × 20,129.88
  4. Step 4: Simplify right side
    59,573.64x = 1,799,079,843.17
  5. Step 5: Solve for x
    x = 1,799,079,843.17/59,573.64
  6. Step 6: Final answer
    x = 30,199.26

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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.