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Finding the Fourth Proportional to 247,808.97, 371,565.83 and 98,070.55

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Solution

The fourth proportional to 247,808.97, 371,565.83 and 98,070.55 is: 147,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,808.97 : 371,565.83 = 98,070.55 : x
  2. Step 2: Convert to fraction form
    247,808.97/371,565.83 = 98,070.55/x
  3. Step 3: Cross multiply
    247,808.97x = 371,565.83 × 98,070.55
  4. Step 4: Simplify right side
    247,808.97x = 36,439,664,625.57
  5. Step 5: Solve for x
    x = 36,439,664,625.57/247,808.97
  6. Step 6: Final answer
    x = 147,047.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.