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Finding the Fourth Proportional to 247,615.15, 341,703.60 and 134,437.90

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Solution

The fourth proportional to 247,615.15, 341,703.60 and 134,437.90 is: 185,521.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,615.15 : 341,703.60 = 134,437.90 : x
  2. Step 2: Convert to fraction form
    247,615.15/341,703.60 = 134,437.90/x
  3. Step 3: Cross multiply
    247,615.15x = 341,703.60 × 134,437.90
  4. Step 4: Simplify right side
    247,615.15x = 45,937,914,406.44
  5. Step 5: Solve for x
    x = 45,937,914,406.44/247,615.15
  6. Step 6: Final answer
    x = 185,521.42

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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.