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Finding the Fourth Proportional to 134,475.40, 201,713.10 and 60,747.40

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Solution

The fourth proportional to 134,475.40, 201,713.10 and 60,747.40 is: 91,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,475.40 : 201,713.10 = 60,747.40 : x
  2. Step 2: Convert to fraction form
    134,475.40/201,713.10 = 60,747.40/x
  3. Step 3: Cross multiply
    134,475.40x = 201,713.10 × 60,747.40
  4. Step 4: Simplify right side
    134,475.40x = 12,253,546,370.94
  5. Step 5: Solve for x
    x = 12,253,546,370.94/134,475.40
  6. Step 6: Final answer
    x = 91,121.10

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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.