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Finding the Fourth Proportional to 267,648.75, 369,355.28 and 148,416.75

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Solution

The fourth proportional to 267,648.75, 369,355.28 and 148,416.75 is: 204,815.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,648.75 : 369,355.28 = 148,416.75 : x
  2. Step 2: Convert to fraction form
    267,648.75/369,355.28 = 148,416.75/x
  3. Step 3: Cross multiply
    267,648.75x = 369,355.28 × 148,416.75
  4. Step 4: Simplify right side
    267,648.75x = 54,818,509,510.86
  5. Step 5: Solve for x
    x = 54,818,509,510.86/267,648.75
  6. Step 6: Final answer
    x = 204,815.12

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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.