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Finding the Fourth Proportional to 267,010.50, 368,475.57 and 147,778.50

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Solution

The fourth proportional to 267,010.50, 368,475.57 and 147,778.50 is: 203,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,010.50 : 368,475.57 = 147,778.50 : x
  2. Step 2: Convert to fraction form
    267,010.50/368,475.57 = 147,778.50/x
  3. Step 3: Cross multiply
    267,010.50x = 368,475.57 × 147,778.50
  4. Step 4: Simplify right side
    267,010.50x = 54,452,767,021.25
  5. Step 5: Solve for x
    x = 54,452,767,021.25/267,010.50
  6. Step 6: Final answer
    x = 203,934.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.