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Finding the Fourth Proportional to 125,455.60, 173,130.01 and 68,095.42

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Solution

The fourth proportional to 125,455.60, 173,130.01 and 68,095.42 is: 93,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,455.60 : 173,130.01 = 68,095.42 : x
  2. Step 2: Convert to fraction form
    125,455.60/173,130.01 = 68,095.42/x
  3. Step 3: Cross multiply
    125,455.60x = 173,130.01 × 68,095.42
  4. Step 4: Simplify right side
    125,455.60x = 11,789,360,142.49
  5. Step 5: Solve for x
    x = 11,789,360,142.49/125,455.60
  6. Step 6: Final answer
    x = 93,972.37

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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.