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Finding the Fourth Proportional to 156,883.92, 216,531.30 and 93,209.46

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Solution

The fourth proportional to 156,883.92, 216,531.30 and 93,209.46 is: 128,647.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,883.92 : 216,531.30 = 93,209.46 : x
  2. Step 2: Convert to fraction form
    156,883.92/216,531.30 = 93,209.46/x
  3. Step 3: Cross multiply
    156,883.92x = 216,531.30 × 93,209.46
  4. Step 4: Simplify right side
    156,883.92x = 20,182,765,546.10
  5. Step 5: Solve for x
    x = 20,182,765,546.10/156,883.92
  6. Step 6: Final answer
    x = 128,647.76

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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.