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Finding the Fourth Proportional to 178,308.45, 267,180.98 and 65,833.65

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Solution

The fourth proportional to 178,308.45, 267,180.98 and 65,833.65 is: 98,646.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,308.45 : 267,180.98 = 65,833.65 : x
  2. Step 2: Convert to fraction form
    178,308.45/267,180.98 = 65,833.65/x
  3. Step 3: Cross multiply
    178,308.45x = 267,180.98 × 65,833.65
  4. Step 4: Simplify right side
    178,308.45x = 17,589,498,794.81
  5. Step 5: Solve for x
    x = 17,589,498,794.81/178,308.45
  6. Step 6: Final answer
    x = 98,646.47

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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.