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Finding the Fourth Proportional to 88,671.15, 122,363.78 and 48,384.92

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Solution

The fourth proportional to 88,671.15, 122,363.78 and 48,384.92 is: 66,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,671.15 : 122,363.78 = 48,384.92 : x
  2. Step 2: Convert to fraction form
    88,671.15/122,363.78 = 48,384.92/x
  3. Step 3: Cross multiply
    88,671.15x = 122,363.78 × 48,384.92
  4. Step 4: Simplify right side
    88,671.15x = 5,920,560,852.45
  5. Step 5: Solve for x
    x = 5,920,560,852.45/88,671.15
  6. Step 6: Final answer
    x = 66,769.87

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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.