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Finding the Fourth Proportional to 247,783.59, 341,939.48 and 134,607.15

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Solution

The fourth proportional to 247,783.59, 341,939.48 and 134,607.15 is: 185,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,783.59 : 341,939.48 = 134,607.15 : x
  2. Step 2: Convert to fraction form
    247,783.59/341,939.48 = 134,607.15/x
  3. Step 3: Cross multiply
    247,783.59x = 341,939.48 × 134,607.15
  4. Step 4: Simplify right side
    247,783.59x = 46,027,498,202.25
  5. Step 5: Solve for x
    x = 46,027,498,202.25/247,783.59
  6. Step 6: Final answer
    x = 185,756.85

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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.