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Finding the Fourth Proportional to 178,148.20, 267,246.60 and 65,801.20

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Solution

The fourth proportional to 178,148.20, 267,246.60 and 65,801.20 is: 98,710.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,148.20 : 267,246.60 = 65,801.20 : x
  2. Step 2: Convert to fraction form
    178,148.20/267,246.60 = 65,801.20/x
  3. Step 3: Cross multiply
    178,148.20x = 267,246.60 × 65,801.20
  4. Step 4: Simplify right side
    178,148.20x = 17,585,146,975.92
  5. Step 5: Solve for x
    x = 17,585,146,975.92/178,148.20
  6. Step 6: Final answer
    x = 98,710.78

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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.