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Finding the Fourth Proportional to 267,518.78, 369,166 and 145,008.52

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Solution

The fourth proportional to 267,518.78, 369,166 and 145,008.52 is: 200,106.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,518.78 : 369,166 = 145,008.52 : x
  2. Step 2: Convert to fraction form
    267,518.78/369,166 = 145,008.52/x
  3. Step 3: Cross multiply
    267,518.78x = 369,166 × 145,008.52
  4. Step 4: Simplify right side
    267,518.78x = 53,532,215,294.32
  5. Step 5: Solve for x
    x = 53,532,215,294.32/267,518.78
  6. Step 6: Final answer
    x = 200,106.38

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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.