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Finding the Fourth Proportional to 83,274.60, 124,911.90 and 60,967.20

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Solution

The fourth proportional to 83,274.60, 124,911.90 and 60,967.20 is: 91,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,274.60 : 124,911.90 = 60,967.20 : x
  2. Step 2: Convert to fraction form
    83,274.60/124,911.90 = 60,967.20/x
  3. Step 3: Cross multiply
    83,274.60x = 124,911.90 × 60,967.20
  4. Step 4: Simplify right side
    83,274.60x = 7,615,528,789.68
  5. Step 5: Solve for x
    x = 7,615,528,789.68/83,274.60
  6. Step 6: Final answer
    x = 91,450.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.