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Finding the Fourth Proportional to 125,934.48, 173,750.52 and 71,477.76

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Solution

The fourth proportional to 125,934.48, 173,750.52 and 71,477.76 is: 98,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,934.48 : 173,750.52 = 71,477.76 : x
  2. Step 2: Convert to fraction form
    125,934.48/173,750.52 = 71,477.76/x
  3. Step 3: Cross multiply
    125,934.48x = 173,750.52 × 71,477.76
  4. Step 4: Simplify right side
    125,934.48x = 12,419,297,968.44
  5. Step 5: Solve for x
    x = 12,419,297,968.44/125,934.48
  6. Step 6: Final answer
    x = 98,617.14

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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.