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Finding the Fourth Proportional to 92,366.50, 138,549.78 and 22,245.78

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Solution

The fourth proportional to 92,366.50, 138,549.78 and 22,245.78 is: 33,368.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,366.50 : 138,549.78 = 22,245.78 : x
  2. Step 2: Convert to fraction form
    92,366.50/138,549.78 = 22,245.78/x
  3. Step 3: Cross multiply
    92,366.50x = 138,549.78 × 22,245.78
  4. Step 4: Simplify right side
    92,366.50x = 3,082,147,924.93
  5. Step 5: Solve for x
    x = 3,082,147,924.93/92,366.50
  6. Step 6: Final answer
    x = 33,368.68

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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.