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Finding the Fourth Proportional to 267,266.80, 368,827.86 and 144,759.12

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Solution

The fourth proportional to 267,266.80, 368,827.86 and 144,759.12 is: 199,767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,266.80 : 368,827.86 = 144,759.12 : x
  2. Step 2: Convert to fraction form
    267,266.80/368,827.86 = 144,759.12/x
  3. Step 3: Cross multiply
    267,266.80x = 368,827.86 × 144,759.12
  4. Step 4: Simplify right side
    267,266.80x = 53,391,196,445.08
  5. Step 5: Solve for x
    x = 53,391,196,445.08/267,266.80
  6. Step 6: Final answer
    x = 199,767.41

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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.