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Finding the Fourth Proportional to 129,560.88, 194,185.32 and 59,343.60

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Solution

The fourth proportional to 129,560.88, 194,185.32 and 59,343.60 is: 88,943.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,560.88 : 194,185.32 = 59,343.60 : x
  2. Step 2: Convert to fraction form
    129,560.88/194,185.32 = 59,343.60/x
  3. Step 3: Cross multiply
    129,560.88x = 194,185.32 × 59,343.60
  4. Step 4: Simplify right side
    129,560.88x = 11,523,655,955.95
  5. Step 5: Solve for x
    x = 11,523,655,955.95/129,560.88
  6. Step 6: Final answer
    x = 88,943.95

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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.