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Finding the Fourth Proportional to 106,452.60, 146,964.60 and 70,691.52

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Solution

The fourth proportional to 106,452.60, 146,964.60 and 70,691.52 is: 97,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,452.60 : 146,964.60 = 70,691.52 : x
  2. Step 2: Convert to fraction form
    106,452.60/146,964.60 = 70,691.52/x
  3. Step 3: Cross multiply
    106,452.60x = 146,964.60 × 70,691.52
  4. Step 4: Simplify right side
    106,452.60x = 10,389,150,960.19
  5. Step 5: Solve for x
    x = 10,389,150,960.19/106,452.60
  6. Step 6: Final answer
    x = 97,594.15

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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.