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Finding the Fourth Proportional to 188,602.43, 282,863.88 and 55,446.53

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Solution

The fourth proportional to 188,602.43, 282,863.88 and 55,446.53 is: 83,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,602.43 : 282,863.88 = 55,446.53 : x
  2. Step 2: Convert to fraction form
    188,602.43/282,863.88 = 55,446.53/x
  3. Step 3: Cross multiply
    188,602.43x = 282,863.88 × 55,446.53
  4. Step 4: Simplify right side
    188,602.43x = 15,683,819,194.02
  5. Step 5: Solve for x
    x = 15,683,819,194.02/188,602.43
  6. Step 6: Final answer
    x = 83,158.10

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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.