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Finding the Fourth Proportional to 247,147.20, 370,866.60 and 163,150.20

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Solution

The fourth proportional to 247,147.20, 370,866.60 and 163,150.20 is: 244,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,147.20 : 370,866.60 = 163,150.20 : x
  2. Step 2: Convert to fraction form
    247,147.20/370,866.60 = 163,150.20/x
  3. Step 3: Cross multiply
    247,147.20x = 370,866.60 × 163,150.20
  4. Step 4: Simplify right side
    247,147.20x = 60,506,959,963.32
  5. Step 5: Solve for x
    x = 60,506,959,963.32/247,147.20
  6. Step 6: Final answer
    x = 244,821.55

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1.5x scale

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.