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Finding the Fourth Proportional to 118,062.83, 177,028.63 and 47,860.13

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Solution

The fourth proportional to 118,062.83, 177,028.63 and 47,860.13 is: 71,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,062.83 : 177,028.63 = 47,860.13 : x
  2. Step 2: Convert to fraction form
    118,062.83/177,028.63 = 47,860.13/x
  3. Step 3: Cross multiply
    118,062.83x = 177,028.63 × 47,860.13
  4. Step 4: Simplify right side
    118,062.83x = 8,472,613,568.44
  5. Step 5: Solve for x
    x = 8,472,613,568.44/118,062.83
  6. Step 6: Final answer
    x = 71,763.60

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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.