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Finding the Fourth Proportional to 127,670.60, 191,505.90 and 88,304.60

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Solution

The fourth proportional to 127,670.60, 191,505.90 and 88,304.60 is: 132,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,670.60 : 191,505.90 = 88,304.60 : x
  2. Step 2: Convert to fraction form
    127,670.60/191,505.90 = 88,304.60/x
  3. Step 3: Cross multiply
    127,670.60x = 191,505.90 × 88,304.60
  4. Step 4: Simplify right side
    127,670.60x = 16,910,851,897.14
  5. Step 5: Solve for x
    x = 16,910,851,897.14/127,670.60
  6. Step 6: Final answer
    x = 132,456.90

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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.