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Finding the Fourth Proportional to 267,649.92, 369,360 and 154,509.12

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Solution

The fourth proportional to 267,649.92, 369,360 and 154,509.12 is: 213,224.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,649.92 : 369,360 = 154,509.12 : x
  2. Step 2: Convert to fraction form
    267,649.92/369,360 = 154,509.12/x
  3. Step 3: Cross multiply
    267,649.92x = 369,360 × 154,509.12
  4. Step 4: Simplify right side
    267,649.92x = 57,069,488,563.20
  5. Step 5: Solve for x
    x = 57,069,488,563.20/267,649.92
  6. Step 6: Final answer
    x = 213,224.38

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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.