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Finding the Fourth Proportional to 125,258.43, 187,872.84 and 35,307.89

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Solution

The fourth proportional to 125,258.43, 187,872.84 and 35,307.89 is: 52,957.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,258.43 : 187,872.84 = 35,307.89 : x
  2. Step 2: Convert to fraction form
    125,258.43/187,872.84 = 35,307.89/x
  3. Step 3: Cross multiply
    125,258.43x = 187,872.84 × 35,307.89
  4. Step 4: Simplify right side
    125,258.43x = 6,633,393,168.97
  5. Step 5: Solve for x
    x = 6,633,393,168.97/125,258.43
  6. Step 6: Final answer
    x = 52,957.66

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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.