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Finding the Fourth Proportional to 240,881.85, 332,463.45 and 138,973.11

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Solution

The fourth proportional to 240,881.85, 332,463.45 and 138,973.11 is: 191,809.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,881.85 : 332,463.45 = 138,973.11 : x
  2. Step 2: Convert to fraction form
    240,881.85/332,463.45 = 138,973.11/x
  3. Step 3: Cross multiply
    240,881.85x = 332,463.45 × 138,973.11
  4. Step 4: Simplify right side
    240,881.85x = 46,203,479,607.83
  5. Step 5: Solve for x
    x = 46,203,479,607.83/240,881.85
  6. Step 6: Final answer
    x = 191,809.72

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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.