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Finding the Fourth Proportional to 240,540.72, 360,953.62 and 134,013.84

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Solution

The fourth proportional to 240,540.72, 360,953.62 and 134,013.84 is: 201,100.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,540.72 : 360,953.62 = 134,013.84 : x
  2. Step 2: Convert to fraction form
    240,540.72/360,953.62 = 134,013.84/x
  3. Step 3: Cross multiply
    240,540.72x = 360,953.62 × 134,013.84
  4. Step 4: Simplify right side
    240,540.72x = 48,372,780,678.10
  5. Step 5: Solve for x
    x = 48,372,780,678.10/240,540.72
  6. Step 6: Final answer
    x = 201,100.17

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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.