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Finding the Fourth Proportional to 240,498.64, 360,750.36 and 107,385.64

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Solution

The fourth proportional to 240,498.64, 360,750.36 and 107,385.64 is: 161,079.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,498.64 : 360,750.36 = 107,385.64 : x
  2. Step 2: Convert to fraction form
    240,498.64/360,750.36 = 107,385.64/x
  3. Step 3: Cross multiply
    240,498.64x = 360,750.36 × 107,385.64
  4. Step 4: Simplify right side
    240,498.64x = 38,739,408,288.83
  5. Step 5: Solve for x
    x = 38,739,408,288.83/240,498.64
  6. Step 6: Final answer
    x = 161,079.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.