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Finding the Fourth Proportional to 240,989.61, 361,138.12 and 135,585.93

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Solution

The fourth proportional to 240,989.61, 361,138.12 and 135,585.93 is: 203,184.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,989.61 : 361,138.12 = 135,585.93 : x
  2. Step 2: Convert to fraction form
    240,989.61/361,138.12 = 135,585.93/x
  3. Step 3: Cross multiply
    240,989.61x = 361,138.12 × 135,585.93
  4. Step 4: Simplify right side
    240,989.61x = 48,965,247,858.65
  5. Step 5: Solve for x
    x = 48,965,247,858.65/240,989.61
  6. Step 6: Final answer
    x = 203,184.06

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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.