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Finding the Fourth Proportional to 97,500.88, 146,154.43 and 67,856.43

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Solution

The fourth proportional to 97,500.88, 146,154.43 and 67,856.43 is: 101,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,500.88 : 146,154.43 = 67,856.43 : x
  2. Step 2: Convert to fraction form
    97,500.88/146,154.43 = 67,856.43/x
  3. Step 3: Cross multiply
    97,500.88x = 146,154.43 × 67,856.43
  4. Step 4: Simplify right side
    97,500.88x = 9,917,517,848.48
  5. Step 5: Solve for x
    x = 9,917,517,848.48/97,500.88
  6. Step 6: Final answer
    x = 101,717.21

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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.