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Finding the Fourth Proportional to 188,766.60, 282,493.80 and 173,020.20

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Solution

The fourth proportional to 188,766.60, 282,493.80 and 173,020.20 is: 258,928.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,766.60 : 282,493.80 = 173,020.20 : x
  2. Step 2: Convert to fraction form
    188,766.60/282,493.80 = 173,020.20/x
  3. Step 3: Cross multiply
    188,766.60x = 282,493.80 × 173,020.20
  4. Step 4: Simplify right side
    188,766.60x = 48,877,133,774.76
  5. Step 5: Solve for x
    x = 48,877,133,774.76/188,766.60
  6. Step 6: Final answer
    x = 258,928.93

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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.