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Finding the Fourth Proportional to 178,572.80, 246,422.71 and 98,001.66

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Solution

The fourth proportional to 178,572.80, 246,422.71 and 98,001.66 is: 135,238.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,572.80 : 246,422.71 = 98,001.66 : x
  2. Step 2: Convert to fraction form
    178,572.80/246,422.71 = 98,001.66/x
  3. Step 3: Cross multiply
    178,572.80x = 246,422.71 × 98,001.66
  4. Step 4: Simplify right side
    178,572.80x = 24,149,835,137.03
  5. Step 5: Solve for x
    x = 24,149,835,137.03/178,572.80
  6. Step 6: Final answer
    x = 135,238.04

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1.5x scale

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.