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Finding the Fourth Proportional to 247,825.12, 342,003.72 and 134,655.16

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Solution

The fourth proportional to 247,825.12, 342,003.72 and 134,655.16 is: 185,826.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,825.12 : 342,003.72 = 134,655.16 : x
  2. Step 2: Convert to fraction form
    247,825.12/342,003.72 = 134,655.16/x
  3. Step 3: Cross multiply
    247,825.12x = 342,003.72 × 134,655.16
  4. Step 4: Simplify right side
    247,825.12x = 46,052,565,637.20
  5. Step 5: Solve for x
    x = 46,052,565,637.20/247,825.12
  6. Step 6: Final answer
    x = 185,826.87

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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.