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Finding the Fourth Proportional to 247,265.12, 370,765.92 and 114,076.64

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Solution

The fourth proportional to 247,265.12, 370,765.92 and 114,076.64 is: 171,054.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,265.12 : 370,765.92 = 114,076.64 : x
  2. Step 2: Convert to fraction form
    247,265.12/370,765.92 = 114,076.64/x
  3. Step 3: Cross multiply
    247,265.12x = 370,765.92 × 114,076.64
  4. Step 4: Simplify right side
    247,265.12x = 42,295,730,380.11
  5. Step 5: Solve for x
    x = 42,295,730,380.11/247,265.12
  6. Step 6: Final answer
    x = 171,054.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.