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Finding the Fourth Proportional to 141,343.76, 211,963.80 and 41,478.32

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Solution

The fourth proportional to 141,343.76, 211,963.80 and 41,478.32 is: 62,202.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,343.76 : 211,963.80 = 41,478.32 : x
  2. Step 2: Convert to fraction form
    141,343.76/211,963.80 = 41,478.32/x
  3. Step 3: Cross multiply
    141,343.76x = 211,963.80 × 41,478.32
  4. Step 4: Simplify right side
    141,343.76x = 8,791,902,324.82
  5. Step 5: Solve for x
    x = 8,791,902,324.82/141,343.76
  6. Step 6: Final answer
    x = 62,202.27

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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.