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Finding the Fourth Proportional to 188,719.66, 282,671.25 and 88,730.02

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Solution

The fourth proportional to 188,719.66, 282,671.25 and 88,730.02 is: 132,903.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,719.66 : 282,671.25 = 88,730.02 : x
  2. Step 2: Convert to fraction form
    188,719.66/282,671.25 = 88,730.02/x
  3. Step 3: Cross multiply
    188,719.66x = 282,671.25 × 88,730.02
  4. Step 4: Simplify right side
    188,719.66x = 25,081,425,665.93
  5. Step 5: Solve for x
    x = 25,081,425,665.93/188,719.66
  6. Step 6: Final answer
    x = 132,903.09

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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.