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Finding the Fourth Proportional to 267,421.52, 400,913.40 and 134,140.88

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Solution

The fourth proportional to 267,421.52, 400,913.40 and 134,140.88 is: 201,101.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,421.52 : 400,913.40 = 134,140.88 : x
  2. Step 2: Convert to fraction form
    267,421.52/400,913.40 = 134,140.88/x
  3. Step 3: Cross multiply
    267,421.52x = 400,913.40 × 134,140.88
  4. Step 4: Simplify right side
    267,421.52x = 53,778,876,279.79
  5. Step 5: Solve for x
    x = 53,778,876,279.79/267,421.52
  6. Step 6: Final answer
    x = 201,101.53

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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.