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Finding the Fourth Proportional to 125,963.72, 173,837.78 and 69,375.08

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Solution

The fourth proportional to 125,963.72, 173,837.78 and 69,375.08 is: 95,741.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,963.72 : 173,837.78 = 69,375.08 : x
  2. Step 2: Convert to fraction form
    125,963.72/173,837.78 = 69,375.08/x
  3. Step 3: Cross multiply
    125,963.72x = 173,837.78 × 69,375.08
  4. Step 4: Simplify right side
    125,963.72x = 12,060,009,894.52
  5. Step 5: Solve for x
    x = 12,060,009,894.52/125,963.72
  6. Step 6: Final answer
    x = 95,741.93

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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.