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Finding the Fourth Proportional to 107,957.78, 148,982.02 and 60,214.20

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Solution

The fourth proportional to 107,957.78, 148,982.02 and 60,214.20 is: 83,095.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,957.78 : 148,982.02 = 60,214.20 : x
  2. Step 2: Convert to fraction form
    107,957.78/148,982.02 = 60,214.20/x
  3. Step 3: Cross multiply
    107,957.78x = 148,982.02 × 60,214.20
  4. Step 4: Simplify right side
    107,957.78x = 8,970,833,148.68
  5. Step 5: Solve for x
    x = 8,970,833,148.68/107,957.78
  6. Step 6: Final answer
    x = 83,095.75

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1.5x scale

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.