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Finding the Fourth Proportional to 207,125.70, 285,830.74 and 116,481.62

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Solution

The fourth proportional to 207,125.70, 285,830.74 and 116,481.62 is: 160,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,125.70 : 285,830.74 = 116,481.62 : x
  2. Step 2: Convert to fraction form
    207,125.70/285,830.74 = 116,481.62/x
  3. Step 3: Cross multiply
    207,125.70x = 285,830.74 × 116,481.62
  4. Step 4: Simplify right side
    207,125.70x = 33,294,027,641.00
  5. Step 5: Solve for x
    x = 33,294,027,641.00/207,125.70
  6. Step 6: Final answer
    x = 160,743.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.