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Finding the Fourth Proportional to 239,885.40, 359,807.20 and 97,745.65

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Solution

The fourth proportional to 239,885.40, 359,807.20 and 97,745.65 is: 146,609.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,885.40 : 359,807.20 = 97,745.65 : x
  2. Step 2: Convert to fraction form
    239,885.40/359,807.20 = 97,745.65/x
  3. Step 3: Cross multiply
    239,885.40x = 359,807.20 × 97,745.65
  4. Step 4: Simplify right side
    239,885.40x = 35,169,588,638.68
  5. Step 5: Solve for x
    x = 35,169,588,638.68/239,885.40
  6. Step 6: Final answer
    x = 146,609.96

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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.