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Finding the Fourth Proportional to 267,297.12, 401,005.50 and 89,799.28

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Solution

The fourth proportional to 267,297.12, 401,005.50 and 89,799.28 is: 134,719.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,297.12 : 401,005.50 = 89,799.28 : x
  2. Step 2: Convert to fraction form
    267,297.12/401,005.50 = 89,799.28/x
  3. Step 3: Cross multiply
    267,297.12x = 401,005.50 × 89,799.28
  4. Step 4: Simplify right side
    267,297.12x = 36,010,005,176.04
  5. Step 5: Solve for x
    x = 36,010,005,176.04/267,297.12
  6. Step 6: Final answer
    x = 134,719.02

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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.