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Finding the Fourth Proportional to 125,693.29, 173,431.87 and 70,504.39

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Solution

The fourth proportional to 125,693.29, 173,431.87 and 70,504.39 is: 97,282.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,693.29 : 173,431.87 = 70,504.39 : x
  2. Step 2: Convert to fraction form
    125,693.29/173,431.87 = 70,504.39/x
  3. Step 3: Cross multiply
    125,693.29x = 173,431.87 × 70,504.39
  4. Step 4: Simplify right side
    125,693.29x = 12,227,708,200.91
  5. Step 5: Solve for x
    x = 12,227,708,200.91/125,693.29
  6. Step 6: Final answer
    x = 97,282.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.