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Finding the Fourth Proportional to 187,951.60, 259,376.52 and 103,063.60

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Solution

The fourth proportional to 187,951.60, 259,376.52 and 103,063.60 is: 142,229.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,951.60 : 259,376.52 = 103,063.60 : x
  2. Step 2: Convert to fraction form
    187,951.60/259,376.52 = 103,063.60/x
  3. Step 3: Cross multiply
    187,951.60x = 259,376.52 × 103,063.60
  4. Step 4: Simplify right side
    187,951.60x = 26,732,277,906.67
  5. Step 5: Solve for x
    x = 26,732,277,906.67/187,951.60
  6. Step 6: Final answer
    x = 142,229.58

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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.