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Finding the Fourth Proportional to 244,047.20, 366,130.80 and 84,125.60

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Solution

The fourth proportional to 244,047.20, 366,130.80 and 84,125.60 is: 126,209.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,047.20 : 366,130.80 = 84,125.60 : x
  2. Step 2: Convert to fraction form
    244,047.20/366,130.80 = 84,125.60/x
  3. Step 3: Cross multiply
    244,047.20x = 366,130.80 × 84,125.60
  4. Step 4: Simplify right side
    244,047.20x = 30,800,973,228.48
  5. Step 5: Solve for x
    x = 30,800,973,228.48/244,047.20
  6. Step 6: Final answer
    x = 126,209.08

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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.