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Finding the Fourth Proportional to 132,627.48, 198,763.75 and 65,056.20

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Solution

The fourth proportional to 132,627.48, 198,763.75 and 65,056.20 is: 97,497.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,627.48 : 198,763.75 = 65,056.20 : x
  2. Step 2: Convert to fraction form
    132,627.48/198,763.75 = 65,056.20/x
  3. Step 3: Cross multiply
    132,627.48x = 198,763.75 × 65,056.20
  4. Step 4: Simplify right side
    132,627.48x = 12,930,814,272.75
  5. Step 5: Solve for x
    x = 12,930,814,272.75/132,627.48
  6. Step 6: Final answer
    x = 97,497.25

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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.