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Finding the Fourth Proportional to 247,604.32, 341,697.72 and 134,427.08

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Solution

The fourth proportional to 247,604.32, 341,697.72 and 134,427.08 is: 185,511.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,604.32 : 341,697.72 = 134,427.08 : x
  2. Step 2: Convert to fraction form
    247,604.32/341,697.72 = 134,427.08/x
  3. Step 3: Cross multiply
    247,604.32x = 341,697.72 × 134,427.08
  4. Step 4: Simplify right side
    247,604.32x = 45,933,426,742.26
  5. Step 5: Solve for x
    x = 45,933,426,742.26/247,604.32
  6. Step 6: Final answer
    x = 185,511.41

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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.