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Finding the Fourth Proportional to 92,859.60, 139,290.20 and 26,301.20

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Solution

The fourth proportional to 92,859.60, 139,290.20 and 26,301.20 is: 39,452.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,859.60 : 139,290.20 = 26,301.20 : x
  2. Step 2: Convert to fraction form
    92,859.60/139,290.20 = 26,301.20/x
  3. Step 3: Cross multiply
    92,859.60x = 139,290.20 × 26,301.20
  4. Step 4: Simplify right side
    92,859.60x = 3,663,499,408.24
  5. Step 5: Solve for x
    x = 3,663,499,408.24/92,859.60
  6. Step 6: Final answer
    x = 39,452.03

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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.