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Finding the Fourth Proportional to 267,205.30, 400,807.95 and 89,718.10

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Solution

The fourth proportional to 267,205.30, 400,807.95 and 89,718.10 is: 134,577.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,205.30 : 400,807.95 = 89,718.10 : x
  2. Step 2: Convert to fraction form
    267,205.30/400,807.95 = 89,718.10/x
  3. Step 3: Cross multiply
    267,205.30x = 400,807.95 × 89,718.10
  4. Step 4: Simplify right side
    267,205.30x = 35,959,727,738.90
  5. Step 5: Solve for x
    x = 35,959,727,738.90/267,205.30
  6. Step 6: Final answer
    x = 134,577.15

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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.