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Finding the Fourth Proportional to 267,810.48, 401,467.68 and 99,236.88

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Solution

The fourth proportional to 267,810.48, 401,467.68 and 99,236.88 is: 148,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,810.48 : 401,467.68 = 99,236.88 : x
  2. Step 2: Convert to fraction form
    267,810.48/401,467.68 = 99,236.88/x
  3. Step 3: Cross multiply
    267,810.48x = 401,467.68 × 99,236.88
  4. Step 4: Simplify right side
    267,810.48x = 39,840,399,984.04
  5. Step 5: Solve for x
    x = 39,840,399,984.04/267,810.48
  6. Step 6: Final answer
    x = 148,763.41

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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.