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Finding the Fourth Proportional to 240,774.13, 332,267.60 and 138,799.00

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Solution

The fourth proportional to 240,774.13, 332,267.60 and 138,799.00 is: 191,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,774.13 : 332,267.60 = 138,799.00 : x
  2. Step 2: Convert to fraction form
    240,774.13/332,267.60 = 138,799.00/x
  3. Step 3: Cross multiply
    240,774.13x = 332,267.60 × 138,799.00
  4. Step 4: Simplify right side
    240,774.13x = 46,118,408,257.07
  5. Step 5: Solve for x
    x = 46,118,408,257.07/240,774.13
  6. Step 6: Final answer
    x = 191,542.21

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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.