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Finding the Fourth Proportional to 106,297.50, 146,690.55 and 58,550.70

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Solution

The fourth proportional to 106,297.50, 146,690.55 and 58,550.70 is: 80,799.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,297.50 : 146,690.55 = 58,550.70 : x
  2. Step 2: Convert to fraction form
    106,297.50/146,690.55 = 58,550.70/x
  3. Step 3: Cross multiply
    106,297.50x = 146,690.55 × 58,550.70
  4. Step 4: Simplify right side
    106,297.50x = 8,588,834,385.89
  5. Step 5: Solve for x
    x = 8,588,834,385.89/106,297.50
  6. Step 6: Final answer
    x = 80,799.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.