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Finding the Fourth Proportional to 267,043.04, 400,554.08 and 67,360.80

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Solution

The fourth proportional to 267,043.04, 400,554.08 and 67,360.80 is: 101,038.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,043.04 : 400,554.08 = 67,360.80 : x
  2. Step 2: Convert to fraction form
    267,043.04/400,554.08 = 67,360.80/x
  3. Step 3: Cross multiply
    267,043.04x = 400,554.08 × 67,360.80
  4. Step 4: Simplify right side
    267,043.04x = 26,981,643,272.06
  5. Step 5: Solve for x
    x = 26,981,643,272.06/267,043.04
  6. Step 6: Final answer
    x = 101,038.56

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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.