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Finding the Fourth Proportional to 141,803.68, 212,689.02 and 36,614.36

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Solution

The fourth proportional to 141,803.68, 212,689.02 and 36,614.36 is: 54,917.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,803.68 : 212,689.02 = 36,614.36 : x
  2. Step 2: Convert to fraction form
    141,803.68/212,689.02 = 36,614.36/x
  3. Step 3: Cross multiply
    141,803.68x = 212,689.02 × 36,614.36
  4. Step 4: Simplify right side
    141,803.68x = 7,787,472,346.33
  5. Step 5: Solve for x
    x = 7,787,472,346.33/141,803.68
  6. Step 6: Final answer
    x = 54,917.28

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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.