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Finding the Fourth Proportional to 141,753.38, 212,630.54 and 97,245.23

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Solution

The fourth proportional to 141,753.38, 212,630.54 and 97,245.23 is: 145,868.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,753.38 : 212,630.54 = 97,245.23 : x
  2. Step 2: Convert to fraction form
    141,753.38/212,630.54 = 97,245.23/x
  3. Step 3: Cross multiply
    141,753.38x = 212,630.54 × 97,245.23
  4. Step 4: Simplify right side
    141,753.38x = 20,677,304,217.95
  5. Step 5: Solve for x
    x = 20,677,304,217.95/141,753.38
  6. Step 6: Final answer
    x = 145,868.16

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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.