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Finding the Fourth Proportional to 230,007.34, 345,081.60 and 117,766.36

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Solution

The fourth proportional to 230,007.34, 345,081.60 and 117,766.36 is: 176,685.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,007.34 : 345,081.60 = 117,766.36 : x
  2. Step 2: Convert to fraction form
    230,007.34/345,081.60 = 117,766.36/x
  3. Step 3: Cross multiply
    230,007.34x = 345,081.60 × 117,766.36
  4. Step 4: Simplify right side
    230,007.34x = 40,639,003,072.27
  5. Step 5: Solve for x
    x = 40,639,003,072.27/230,007.34
  6. Step 6: Final answer
    x = 176,685.68

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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.