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Finding the Fourth Proportional to 118,587.06, 177,900.03 and 48,447.54

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Solution

The fourth proportional to 118,587.06, 177,900.03 and 48,447.54 is: 72,679.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,587.06 : 177,900.03 = 48,447.54 : x
  2. Step 2: Convert to fraction form
    118,587.06/177,900.03 = 48,447.54/x
  3. Step 3: Cross multiply
    118,587.06x = 177,900.03 × 48,447.54
  4. Step 4: Simplify right side
    118,587.06x = 8,618,818,819.43
  5. Step 5: Solve for x
    x = 8,618,818,819.43/118,587.06
  6. Step 6: Final answer
    x = 72,679.25

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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.