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Finding the Fourth Proportional to 267,389.60, 368,962.56 and 159,920.42

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Solution

The fourth proportional to 267,389.60, 368,962.56 and 159,920.42 is: 220,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,389.60 : 368,962.56 = 159,920.42 : x
  2. Step 2: Convert to fraction form
    267,389.60/368,962.56 = 159,920.42/x
  3. Step 3: Cross multiply
    267,389.60x = 368,962.56 × 159,920.42
  4. Step 4: Simplify right side
    267,389.60x = 59,004,645,714.66
  5. Step 5: Solve for x
    x = 59,004,645,714.66/267,389.60
  6. Step 6: Final answer
    x = 220,669.19

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1.5x scale

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.