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Finding the Fourth Proportional to 125,963.96, 173,838.12 and 69,375.32

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Solution

The fourth proportional to 125,963.96, 173,838.12 and 69,375.32 is: 95,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,963.96 : 173,838.12 = 69,375.32 : x
  2. Step 2: Convert to fraction form
    125,963.96/173,838.12 = 69,375.32/x
  3. Step 3: Cross multiply
    125,963.96x = 173,838.12 × 69,375.32
  4. Step 4: Simplify right side
    125,963.96x = 12,060,075,203.20
  5. Step 5: Solve for x
    x = 12,060,075,203.20/125,963.96
  6. Step 6: Final answer
    x = 95,742.27

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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.