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Finding the Fourth Proportional to 134,470.70, 201,706.05 and 40,981.10

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Solution

The fourth proportional to 134,470.70, 201,706.05 and 40,981.10 is: 61,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,470.70 : 201,706.05 = 40,981.10 : x
  2. Step 2: Convert to fraction form
    134,470.70/201,706.05 = 40,981.10/x
  3. Step 3: Cross multiply
    134,470.70x = 201,706.05 × 40,981.10
  4. Step 4: Simplify right side
    134,470.70x = 8,266,135,805.66
  5. Step 5: Solve for x
    x = 8,266,135,805.66/134,470.70
  6. Step 6: Final answer
    x = 61,471.65

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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.