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Finding the Fourth Proportional to 129,573.60, 194,141.70 and 62,870.10

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Solution

The fourth proportional to 129,573.60, 194,141.70 and 62,870.10 is: 94,199.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,573.60 : 194,141.70 = 62,870.10 : x
  2. Step 2: Convert to fraction form
    129,573.60/194,141.70 = 62,870.10/x
  3. Step 3: Cross multiply
    129,573.60x = 194,141.70 × 62,870.10
  4. Step 4: Simplify right side
    129,573.60x = 12,205,708,093.17
  5. Step 5: Solve for x
    x = 12,205,708,093.17/129,573.60
  6. Step 6: Final answer
    x = 94,199.04

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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.