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Finding the Fourth Proportional to 240,616.70, 332,086.64 and 138,622.77

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Solution

The fourth proportional to 240,616.70, 332,086.64 and 138,622.77 is: 191,319.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,616.70 : 332,086.64 = 138,622.77 : x
  2. Step 2: Convert to fraction form
    240,616.70/332,086.64 = 138,622.77/x
  3. Step 3: Cross multiply
    240,616.70x = 332,086.64 × 138,622.77
  4. Step 4: Simplify right side
    240,616.70x = 46,034,769,916.79
  5. Step 5: Solve for x
    x = 46,034,769,916.79/240,616.70
  6. Step 6: Final answer
    x = 191,319.93

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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.