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Finding the Fourth Proportional to 118,663.31, 178,024.13 and 35,557.31

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Solution

The fourth proportional to 118,663.31, 178,024.13 and 35,557.31 is: 53,344.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,663.31 : 178,024.13 = 35,557.31 : x
  2. Step 2: Convert to fraction form
    118,663.31/178,024.13 = 35,557.31/x
  3. Step 3: Cross multiply
    118,663.31x = 178,024.13 × 35,557.31
  4. Step 4: Simplify right side
    118,663.31x = 6,330,059,578.50
  5. Step 5: Solve for x
    x = 6,330,059,578.50/118,663.31
  6. Step 6: Final answer
    x = 53,344.71

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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.