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Finding the Fourth Proportional to 141,802.56, 212,704.56 and 36,614.28

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Solution

The fourth proportional to 141,802.56, 212,704.56 and 36,614.28 is: 54,921.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,802.56 : 212,704.56 = 36,614.28 : x
  2. Step 2: Convert to fraction form
    141,802.56/212,704.56 = 36,614.28/x
  3. Step 3: Cross multiply
    141,802.56x = 212,704.56 × 36,614.28
  4. Step 4: Simplify right side
    141,802.56x = 7,788,024,317.12
  5. Step 5: Solve for x
    x = 7,788,024,317.12/141,802.56
  6. Step 6: Final answer
    x = 54,921.61

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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.