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Finding the Fourth Proportional to 90,593.67, 135,806.67 and 34,416.93

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Solution

The fourth proportional to 90,593.67, 135,806.67 and 34,416.93 is: 51,593.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,593.67 : 135,806.67 = 34,416.93 : x
  2. Step 2: Convert to fraction form
    90,593.67/135,806.67 = 34,416.93/x
  3. Step 3: Cross multiply
    90,593.67x = 135,806.67 × 34,416.93
  4. Step 4: Simplify right side
    90,593.67x = 4,674,048,654.92
  5. Step 5: Solve for x
    x = 4,674,048,654.92/90,593.67
  6. Step 6: Final answer
    x = 51,593.55

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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.