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Finding the Fourth Proportional to 92,073.57, 138,109.97 and 25,513.50

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Solution

The fourth proportional to 92,073.57, 138,109.97 and 25,513.50 is: 38,270.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,073.57 : 138,109.97 = 25,513.50 : x
  2. Step 2: Convert to fraction form
    92,073.57/138,109.97 = 25,513.50/x
  3. Step 3: Cross multiply
    92,073.57x = 138,109.97 × 25,513.50
  4. Step 4: Simplify right side
    92,073.57x = 3,523,668,592.03
  5. Step 5: Solve for x
    x = 3,523,668,592.03/92,073.57
  6. Step 6: Final answer
    x = 38,270.14

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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.