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Finding the Fourth Proportional to 134,475.70, 201,713.55 and 40,981.30

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Solution

The fourth proportional to 134,475.70, 201,713.55 and 40,981.30 is: 61,471.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,475.70 : 201,713.55 = 40,981.30 : x
  2. Step 2: Convert to fraction form
    134,475.70/201,713.55 = 40,981.30/x
  3. Step 3: Cross multiply
    134,475.70x = 201,713.55 × 40,981.30
  4. Step 4: Simplify right side
    134,475.70x = 8,266,483,506.62
  5. Step 5: Solve for x
    x = 8,266,483,506.62/134,475.70
  6. Step 6: Final answer
    x = 61,471.95

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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.