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Finding the Fourth Proportional to 188,595.93, 282,885.39 and 55,480.53

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Solution

The fourth proportional to 188,595.93, 282,885.39 and 55,480.53 is: 83,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,595.93 : 282,885.39 = 55,480.53 : x
  2. Step 2: Convert to fraction form
    188,595.93/282,885.39 = 55,480.53/x
  3. Step 3: Cross multiply
    188,595.93x = 282,885.39 × 55,480.53
  4. Step 4: Simplify right side
    188,595.93x = 15,694,631,366.46
  5. Step 5: Solve for x
    x = 15,694,631,366.46/188,595.93
  6. Step 6: Final answer
    x = 83,218.29

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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.