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Finding the Fourth Proportional to 240,521.64, 360,784.88 and 107,408.64

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Solution

The fourth proportional to 240,521.64, 360,784.88 and 107,408.64 is: 161,114.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,521.64 : 360,784.88 = 107,408.64 : x
  2. Step 2: Convert to fraction form
    240,521.64/360,784.88 = 107,408.64/x
  3. Step 3: Cross multiply
    240,521.64x = 360,784.88 × 107,408.64
  4. Step 4: Simplify right side
    240,521.64x = 38,751,413,293.36
  5. Step 5: Solve for x
    x = 38,751,413,293.36/240,521.64
  6. Step 6: Final answer
    x = 161,114.04

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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.