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Finding the Fourth Proportional to 92,098.48, 126,960.60 and 65,157.88

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Solution

The fourth proportional to 92,098.48, 126,960.60 and 65,157.88 is: 89,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,098.48 : 126,960.60 = 65,157.88 : x
  2. Step 2: Convert to fraction form
    92,098.48/126,960.60 = 65,157.88/x
  3. Step 3: Cross multiply
    92,098.48x = 126,960.60 × 65,157.88
  4. Step 4: Simplify right side
    92,098.48x = 8,272,483,539.53
  5. Step 5: Solve for x
    x = 8,272,483,539.53/92,098.48
  6. Step 6: Final answer
    x = 89,822.15

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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.