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Finding the Fourth Proportional to 267,199.71, 368,736.09 and 144,693.42

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Solution

The fourth proportional to 267,199.71, 368,736.09 and 144,693.42 is: 199,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,199.71 : 368,736.09 = 144,693.42 : x
  2. Step 2: Convert to fraction form
    267,199.71/368,736.09 = 144,693.42/x
  3. Step 3: Cross multiply
    267,199.71x = 368,736.09 × 144,693.42
  4. Step 4: Simplify right side
    267,199.71x = 53,353,685,939.53
  5. Step 5: Solve for x
    x = 53,353,685,939.53/267,199.71
  6. Step 6: Final answer
    x = 199,677.19

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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.