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Finding the Fourth Proportional to 267,385.66, 401,079.40 and 67,705.95

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Solution

The fourth proportional to 267,385.66, 401,079.40 and 67,705.95 is: 101,559.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,385.66 : 401,079.40 = 67,705.95 : x
  2. Step 2: Convert to fraction form
    267,385.66/401,079.40 = 67,705.95/x
  3. Step 3: Cross multiply
    267,385.66x = 401,079.40 × 67,705.95
  4. Step 4: Simplify right side
    267,385.66x = 27,155,459,458.50
  5. Step 5: Solve for x
    x = 27,155,459,458.50/267,385.66
  6. Step 6: Final answer
    x = 101,559.15

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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.