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Finding the Fourth Proportional to 125,959.23, 173,812.31 and 74,963.73

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Solution

The fourth proportional to 125,959.23, 173,812.31 and 74,963.73 is: 103,443.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,959.23 : 173,812.31 = 74,963.73 : x
  2. Step 2: Convert to fraction form
    125,959.23/173,812.31 = 74,963.73/x
  3. Step 3: Cross multiply
    125,959.23x = 173,812.31 × 74,963.73
  4. Step 4: Simplify right side
    125,959.23x = 13,029,618,702.70
  5. Step 5: Solve for x
    x = 13,029,618,702.70/125,959.23
  6. Step 6: Final answer
    x = 103,443.14

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1.5x scale

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.