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Finding the Fourth Proportional to 92,476.25, 138,722.57 and 25,917.18

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Solution

The fourth proportional to 92,476.25, 138,722.57 and 25,917.18 is: 38,878.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,476.25 : 138,722.57 = 25,917.18 : x
  2. Step 2: Convert to fraction form
    92,476.25/138,722.57 = 25,917.18/x
  3. Step 3: Cross multiply
    92,476.25x = 138,722.57 × 25,917.18
  4. Step 4: Simplify right side
    92,476.25x = 3,595,298,190.25
  5. Step 5: Solve for x
    x = 3,595,298,190.25/92,476.25
  6. Step 6: Final answer
    x = 38,878.07

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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.