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Finding the Fourth Proportional to 92,445.49, 138,668.24 and 25,895.49

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Solution

The fourth proportional to 92,445.49, 138,668.24 and 25,895.49 is: 38,843.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,445.49 : 138,668.24 = 25,895.49 : x
  2. Step 2: Convert to fraction form
    92,445.49/138,668.24 = 25,895.49/x
  3. Step 3: Cross multiply
    92,445.49x = 138,668.24 × 25,895.49
  4. Step 4: Simplify right side
    92,445.49x = 3,590,882,022.24
  5. Step 5: Solve for x
    x = 3,590,882,022.24/92,445.49
  6. Step 6: Final answer
    x = 38,843.24

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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.