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Finding the Fourth Proportional to 188,878.60, 282,661.80 and 173,132.20

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Solution

The fourth proportional to 188,878.60, 282,661.80 and 173,132.20 is: 259,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,878.60 : 282,661.80 = 173,132.20 : x
  2. Step 2: Convert to fraction form
    188,878.60/282,661.80 = 173,132.20/x
  3. Step 3: Cross multiply
    188,878.60x = 282,661.80 × 173,132.20
  4. Step 4: Simplify right side
    188,878.60x = 48,937,859,289.96
  5. Step 5: Solve for x
    x = 48,937,859,289.96/188,878.60
  6. Step 6: Final answer
    x = 259,096.90

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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.