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Finding the Fourth Proportional to 235,159.47, 324,522.52 and 127,731.60

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Solution

The fourth proportional to 235,159.47, 324,522.52 and 127,731.60 is: 176,270.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,159.47 : 324,522.52 = 127,731.60 : x
  2. Step 2: Convert to fraction form
    235,159.47/324,522.52 = 127,731.60/x
  3. Step 3: Cross multiply
    235,159.47x = 324,522.52 × 127,731.60
  4. Step 4: Simplify right side
    235,159.47x = 41,451,780,396.30
  5. Step 5: Solve for x
    x = 41,451,780,396.30/235,159.47
  6. Step 6: Final answer
    x = 176,270.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.