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Finding the Fourth Proportional to 247,903.20, 371,697.12 and 114,605.28

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Solution

The fourth proportional to 247,903.20, 371,697.12 and 114,605.28 is: 171,835.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,903.20 : 371,697.12 = 114,605.28 : x
  2. Step 2: Convert to fraction form
    247,903.20/371,697.12 = 114,605.28/x
  3. Step 3: Cross multiply
    247,903.20x = 371,697.12 × 114,605.28
  4. Step 4: Simplify right side
    247,903.20x = 42,598,452,512.79
  5. Step 5: Solve for x
    x = 42,598,452,512.79/247,903.20
  6. Step 6: Final answer
    x = 171,835.02

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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.