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Finding the Fourth Proportional to 125,337.40, 173,076.82 and 85,200.48

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Solution

The fourth proportional to 125,337.40, 173,076.82 and 85,200.48 is: 117,652.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,337.40 : 173,076.82 = 85,200.48 : x
  2. Step 2: Convert to fraction form
    125,337.40/173,076.82 = 85,200.48/x
  3. Step 3: Cross multiply
    125,337.40x = 173,076.82 × 85,200.48
  4. Step 4: Simplify right side
    125,337.40x = 14,746,227,927.87
  5. Step 5: Solve for x
    x = 14,746,227,927.87/125,337.40
  6. Step 6: Final answer
    x = 117,652.26

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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.