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Finding the Fourth Proportional to 247,189.80, 341,122.68 and 134,012.64

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Solution

The fourth proportional to 247,189.80, 341,122.68 and 134,012.64 is: 184,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,189.80 : 341,122.68 = 134,012.64 : x
  2. Step 2: Convert to fraction form
    247,189.80/341,122.68 = 134,012.64/x
  3. Step 3: Cross multiply
    247,189.80x = 341,122.68 × 134,012.64
  4. Step 4: Simplify right side
    247,189.80x = 45,714,750,910.68
  5. Step 5: Solve for x
    x = 45,714,750,910.68/247,189.80
  6. Step 6: Final answer
    x = 184,937.85

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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.