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Finding the Fourth Proportional to 103,601.78, 155,402.68 and 32,529.74

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Solution

The fourth proportional to 103,601.78, 155,402.68 and 32,529.74 is: 48,794.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,601.78 : 155,402.68 = 32,529.74 : x
  2. Step 2: Convert to fraction form
    103,601.78/155,402.68 = 32,529.74/x
  3. Step 3: Cross multiply
    103,601.78x = 155,402.68 × 32,529.74
  4. Step 4: Simplify right side
    103,601.78x = 5,055,208,775.70
  5. Step 5: Solve for x
    x = 5,055,208,775.70/103,601.78
  6. Step 6: Final answer
    x = 48,794.61

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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.