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Finding the Fourth Proportional to 247,221.54, 370,612.44 and 89,414.91

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Solution

The fourth proportional to 247,221.54, 370,612.44 and 89,414.91 is: 134,042.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,221.54 : 370,612.44 = 89,414.91 : x
  2. Step 2: Convert to fraction form
    247,221.54/370,612.44 = 89,414.91/x
  3. Step 3: Cross multiply
    247,221.54x = 370,612.44 × 89,414.91
  4. Step 4: Simplify right side
    247,221.54x = 33,138,277,967.48
  5. Step 5: Solve for x
    x = 33,138,277,967.48/247,221.54
  6. Step 6: Final answer
    x = 134,042.84

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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.