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Finding the Fourth Proportional to 146,881, 220,320.96 and 41,699.98

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Solution

The fourth proportional to 146,881, 220,320.96 and 41,699.98 is: 62,549.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,881 : 220,320.96 = 41,699.98 : x
  2. Step 2: Convert to fraction form
    146,881/220,320.96 = 41,699.98/x
  3. Step 3: Cross multiply
    146,881x = 220,320.96 × 41,699.98
  4. Step 4: Simplify right side
    146,881x = 9,187,379,625.58
  5. Step 5: Solve for x
    x = 9,187,379,625.58/146,881
  6. Step 6: Final answer
    x = 62,549.82

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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.