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Finding the Fourth Proportional to 153,905.65, 230,858.48 and 48,732.85

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Solution

The fourth proportional to 153,905.65, 230,858.48 and 48,732.85 is: 73,099.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,905.65 : 230,858.48 = 48,732.85 : x
  2. Step 2: Convert to fraction form
    153,905.65/230,858.48 = 48,732.85/x
  3. Step 3: Cross multiply
    153,905.65x = 230,858.48 × 48,732.85
  4. Step 4: Simplify right side
    153,905.65x = 11,250,391,433.40
  5. Step 5: Solve for x
    x = 11,250,391,433.40/153,905.65
  6. Step 6: Final answer
    x = 73,099.28

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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.