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Finding the Fourth Proportional to 92,930.90, 139,401.64 and 26,365.80

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Solution

The fourth proportional to 92,930.90, 139,401.64 and 26,365.80 is: 39,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,930.90 : 139,401.64 = 26,365.80 : x
  2. Step 2: Convert to fraction form
    92,930.90/139,401.64 = 26,365.80/x
  3. Step 3: Cross multiply
    92,930.90x = 139,401.64 × 26,365.80
  4. Step 4: Simplify right side
    92,930.90x = 3,675,435,759.91
  5. Step 5: Solve for x
    x = 3,675,435,759.91/92,930.90
  6. Step 6: Final answer
    x = 39,550.20

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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.