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Finding the Fourth Proportional to 247,391.01, 341,400.24 and 134,213.76

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Solution

The fourth proportional to 247,391.01, 341,400.24 and 134,213.76 is: 185,215.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,391.01 : 341,400.24 = 134,213.76 : x
  2. Step 2: Convert to fraction form
    247,391.01/341,400.24 = 134,213.76/x
  3. Step 3: Cross multiply
    247,391.01x = 341,400.24 × 134,213.76
  4. Step 4: Simplify right side
    247,391.01x = 45,820,609,875.30
  5. Step 5: Solve for x
    x = 45,820,609,875.30/247,391.01
  6. Step 6: Final answer
    x = 185,215.34

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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.