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Finding the Fourth Proportional to 125,605.42, 173,335.44 and 69,020.44

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Solution

The fourth proportional to 125,605.42, 173,335.44 and 69,020.44 is: 95,248.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,605.42 : 173,335.44 = 69,020.44 : x
  2. Step 2: Convert to fraction form
    125,605.42/173,335.44 = 69,020.44/x
  3. Step 3: Cross multiply
    125,605.42x = 173,335.44 × 69,020.44
  4. Step 4: Simplify right side
    125,605.42x = 11,963,688,336.39
  5. Step 5: Solve for x
    x = 11,963,688,336.39/125,605.42
  6. Step 6: Final answer
    x = 95,248.19

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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.