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Finding the Fourth Proportional to 247,553.68, 341,631.12 and 134,383.72

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Solution

The fourth proportional to 247,553.68, 341,631.12 and 134,383.72 is: 185,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,553.68 : 341,631.12 = 134,383.72 : x
  2. Step 2: Convert to fraction form
    247,553.68/341,631.12 = 134,383.72/x
  3. Step 3: Cross multiply
    247,553.68x = 341,631.12 × 134,383.72
  4. Step 4: Simplify right side
    247,553.68x = 45,909,660,773.37
  5. Step 5: Solve for x
    x = 45,909,660,773.37/247,553.68
  6. Step 6: Final answer
    x = 185,453.36

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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.