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Finding the Fourth Proportional to 242,708.04, 334,780.74 and 161,034.53

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Solution

The fourth proportional to 242,708.04, 334,780.74 and 161,034.53 is: 222,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,708.04 : 334,780.74 = 161,034.53 : x
  2. Step 2: Convert to fraction form
    242,708.04/334,780.74 = 161,034.53/x
  3. Step 3: Cross multiply
    242,708.04x = 334,780.74 × 161,034.53
  4. Step 4: Simplify right side
    242,708.04x = 53,911,257,445.05
  5. Step 5: Solve for x
    x = 53,911,257,445.05/242,708.04
  6. Step 6: Final answer
    x = 222,123.90

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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.