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Finding the Fourth Proportional to 247,118.60, 341,019.97 and 139,684.85

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Solution

The fourth proportional to 247,118.60, 341,019.97 and 139,684.85 is: 192,763.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,118.60 : 341,019.97 = 139,684.85 : x
  2. Step 2: Convert to fraction form
    247,118.60/341,019.97 = 139,684.85/x
  3. Step 3: Cross multiply
    247,118.60x = 341,019.97 × 139,684.85
  4. Step 4: Simplify right side
    247,118.60x = 47,635,323,859.79
  5. Step 5: Solve for x
    x = 47,635,323,859.79/247,118.60
  6. Step 6: Final answer
    x = 192,763.01

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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.