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Finding the Fourth Proportional to 125,642.30, 173,384.36 and 69,052.46

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Solution

The fourth proportional to 125,642.30, 173,384.36 and 69,052.46 is: 95,291.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,642.30 : 173,384.36 = 69,052.46 : x
  2. Step 2: Convert to fraction form
    125,642.30/173,384.36 = 69,052.46/x
  3. Step 3: Cross multiply
    125,642.30x = 173,384.36 × 69,052.46
  4. Step 4: Simplify right side
    125,642.30x = 11,972,616,583.53
  5. Step 5: Solve for x
    x = 11,972,616,583.53/125,642.30
  6. Step 6: Final answer
    x = 95,291.29

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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.