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Finding the Fourth Proportional to 95,257.60, 142,886.40 and 65,766.40

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Solution

The fourth proportional to 95,257.60, 142,886.40 and 65,766.40 is: 98,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,257.60 : 142,886.40 = 65,766.40 : x
  2. Step 2: Convert to fraction form
    95,257.60/142,886.40 = 65,766.40/x
  3. Step 3: Cross multiply
    95,257.60x = 142,886.40 × 65,766.40
  4. Step 4: Simplify right side
    95,257.60x = 9,397,124,136.96
  5. Step 5: Solve for x
    x = 9,397,124,136.96/95,257.60
  6. Step 6: Final answer
    x = 98,649.60

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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.