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Finding the Fourth Proportional to 247,503.96, 341,563.68 and 140,072.76

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Solution

The fourth proportional to 247,503.96, 341,563.68 and 140,072.76 is: 193,305.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,503.96 : 341,563.68 = 140,072.76 : x
  2. Step 2: Convert to fraction form
    247,503.96/341,563.68 = 140,072.76/x
  3. Step 3: Cross multiply
    247,503.96x = 341,563.68 × 140,072.76
  4. Step 4: Simplify right side
    247,503.96x = 47,843,767,373.36
  5. Step 5: Solve for x
    x = 47,843,767,373.36/247,503.96
  6. Step 6: Final answer
    x = 193,305.06

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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.