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Finding the Fourth Proportional to 267,081.64, 400,345.59 and 167,012.11

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Solution

The fourth proportional to 267,081.64, 400,345.59 and 167,012.11 is: 250,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,081.64 : 400,345.59 = 167,012.11 : x
  2. Step 2: Convert to fraction form
    267,081.64/400,345.59 = 167,012.11/x
  3. Step 3: Cross multiply
    267,081.64x = 400,345.59 × 167,012.11
  4. Step 4: Simplify right side
    267,081.64x = 66,862,561,715.09
  5. Step 5: Solve for x
    x = 66,862,561,715.09/267,081.64
  6. Step 6: Final answer
    x = 250,345.03

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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.