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Finding the Fourth Proportional to 242,532.78, 334,833.97 and 160,971.64

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Solution

The fourth proportional to 242,532.78, 334,833.97 and 160,971.64 is: 222,232.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,532.78 : 334,833.97 = 160,971.64 : x
  2. Step 2: Convert to fraction form
    242,532.78/334,833.97 = 160,971.64/x
  3. Step 3: Cross multiply
    242,532.78x = 334,833.97 × 160,971.64
  4. Step 4: Simplify right side
    242,532.78x = 53,898,773,278.61
  5. Step 5: Solve for x
    x = 53,898,773,278.61/242,532.78
  6. Step 6: Final answer
    x = 222,232.94

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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.