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Finding the Fourth Proportional to 232,005.10, 347,841.60 and 89,728.60

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Solution

The fourth proportional to 232,005.10, 347,841.60 and 89,728.60 is: 134,528.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,005.10 : 347,841.60 = 89,728.60 : x
  2. Step 2: Convert to fraction form
    232,005.10/347,841.60 = 89,728.60/x
  3. Step 3: Cross multiply
    232,005.10x = 347,841.60 × 89,728.60
  4. Step 4: Simplify right side
    232,005.10x = 31,211,339,789.76
  5. Step 5: Solve for x
    x = 31,211,339,789.76/232,005.10
  6. Step 6: Final answer
    x = 134,528.68

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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.