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Finding the Fourth Proportional to 67,232.40, 100,848.60 and 64,006.80

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Solution

The fourth proportional to 67,232.40, 100,848.60 and 64,006.80 is: 96,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,232.40 : 100,848.60 = 64,006.80 : x
  2. Step 2: Convert to fraction form
    67,232.40/100,848.60 = 64,006.80/x
  3. Step 3: Cross multiply
    67,232.40x = 100,848.60 × 64,006.80
  4. Step 4: Simplify right side
    67,232.40x = 6,454,996,170.48
  5. Step 5: Solve for x
    x = 6,454,996,170.48/67,232.40
  6. Step 6: Final answer
    x = 96,010.20

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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.