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Finding the Fourth Proportional to 240,791.84, 332,291.90 and 138,816.81

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Solution

The fourth proportional to 240,791.84, 332,291.90 and 138,816.81 is: 191,566.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,791.84 : 332,291.90 = 138,816.81 : x
  2. Step 2: Convert to fraction form
    240,791.84/332,291.90 = 138,816.81/x
  3. Step 3: Cross multiply
    240,791.84x = 332,291.90 × 138,816.81
  4. Step 4: Simplify right side
    240,791.84x = 46,127,701,893.88
  5. Step 5: Solve for x
    x = 46,127,701,893.88/240,791.84
  6. Step 6: Final answer
    x = 191,566.72

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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.