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Finding the Fourth Proportional to 178,335.63, 267,500.79 and 43,400.97

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Solution

The fourth proportional to 178,335.63, 267,500.79 and 43,400.97 is: 65,100.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,335.63 : 267,500.79 = 43,400.97 : x
  2. Step 2: Convert to fraction form
    178,335.63/267,500.79 = 43,400.97/x
  3. Step 3: Cross multiply
    178,335.63x = 267,500.79 × 43,400.97
  4. Step 4: Simplify right side
    178,335.63x = 11,609,793,761.77
  5. Step 5: Solve for x
    x = 11,609,793,761.77/178,335.63
  6. Step 6: Final answer
    x = 65,100.81

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1.5x scale

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.