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Finding the Fourth Proportional to 267,399.80, 368,964.94 and 152,626.04

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Solution

The fourth proportional to 267,399.80, 368,964.94 and 152,626.04 is: 210,597.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,399.80 : 368,964.94 = 152,626.04 : x
  2. Step 2: Convert to fraction form
    267,399.80/368,964.94 = 152,626.04/x
  3. Step 3: Cross multiply
    267,399.80x = 368,964.94 × 152,626.04
  4. Step 4: Simplify right side
    267,399.80x = 56,313,657,691.04
  5. Step 5: Solve for x
    x = 56,313,657,691.04/267,399.80
  6. Step 6: Final answer
    x = 210,597.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.