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Finding the Fourth Proportional to 129,913, 194,856.88 and 88,062.04

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Solution

The fourth proportional to 129,913, 194,856.88 and 88,062.04 is: 132,084.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,913 : 194,856.88 = 88,062.04 : x
  2. Step 2: Convert to fraction form
    129,913/194,856.88 = 88,062.04/x
  3. Step 3: Cross multiply
    129,913x = 194,856.88 × 88,062.04
  4. Step 4: Simplify right side
    129,913x = 17,159,494,360.84
  5. Step 5: Solve for x
    x = 17,159,494,360.84/129,913
  6. Step 6: Final answer
    x = 132,084.51

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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.