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Finding the Fourth Proportional to 146,110.20, 219,187.20 and 61,870.20

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Solution

The fourth proportional to 146,110.20, 219,187.20 and 61,870.20 is: 92,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,110.20 : 219,187.20 = 61,870.20 : x
  2. Step 2: Convert to fraction form
    146,110.20/219,187.20 = 61,870.20/x
  3. Step 3: Cross multiply
    146,110.20x = 219,187.20 × 61,870.20
  4. Step 4: Simplify right side
    146,110.20x = 13,561,155,901.44
  5. Step 5: Solve for x
    x = 13,561,155,901.44/146,110.20
  6. Step 6: Final answer
    x = 92,814.57

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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.