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Finding the Fourth Proportional to 267,153.69, 368,671.51 and 144,645.46

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Solution

The fourth proportional to 267,153.69, 368,671.51 and 144,645.46 is: 199,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,153.69 : 368,671.51 = 144,645.46 : x
  2. Step 2: Convert to fraction form
    267,153.69/368,671.51 = 144,645.46/x
  3. Step 3: Cross multiply
    267,153.69x = 368,671.51 × 144,645.46
  4. Step 4: Simplify right side
    267,153.69x = 53,326,659,411.97
  5. Step 5: Solve for x
    x = 53,326,659,411.97/267,153.69
  6. Step 6: Final answer
    x = 199,610.41

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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.