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Finding the Fourth Proportional to 270,920.46, 373,866.15 and 148,411.86

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Solution

The fourth proportional to 270,920.46, 373,866.15 and 148,411.86 is: 204,806.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,920.46 : 373,866.15 = 148,411.86 : x
  2. Step 2: Convert to fraction form
    270,920.46/373,866.15 = 148,411.86/x
  3. Step 3: Cross multiply
    270,920.46x = 373,866.15 × 148,411.86
  4. Step 4: Simplify right side
    270,920.46x = 55,486,170,712.54
  5. Step 5: Solve for x
    x = 55,486,170,712.54/270,920.46
  6. Step 6: Final answer
    x = 204,806.13

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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.