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Finding the Fourth Proportional to 118,079.70, 177,119.55 and 48,009.30

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Solution

The fourth proportional to 118,079.70, 177,119.55 and 48,009.30 is: 72,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,079.70 : 177,119.55 = 48,009.30 : x
  2. Step 2: Convert to fraction form
    118,079.70/177,119.55 = 48,009.30/x
  3. Step 3: Cross multiply
    118,079.70x = 177,119.55 × 48,009.30
  4. Step 4: Simplify right side
    118,079.70x = 8,503,385,611.82
  5. Step 5: Solve for x
    x = 8,503,385,611.82/118,079.70
  6. Step 6: Final answer
    x = 72,013.95

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1.5x scale

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.