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Finding the Fourth Proportional to 172,449.60, 258,969.60 and 93,717.60

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Solution

The fourth proportional to 172,449.60, 258,969.60 and 93,717.60 is: 140,736.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,449.60 : 258,969.60 = 93,717.60 : x
  2. Step 2: Convert to fraction form
    172,449.60/258,969.60 = 93,717.60/x
  3. Step 3: Cross multiply
    172,449.60x = 258,969.60 × 93,717.60
  4. Step 4: Simplify right side
    172,449.60x = 24,270,009,384.96
  5. Step 5: Solve for x
    x = 24,270,009,384.96/172,449.60
  6. Step 6: Final answer
    x = 140,736.83

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1.5x scale

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.