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Finding the Fourth Proportional to 99,998, 149,922.96 and 60,545.84

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Solution

The fourth proportional to 99,998, 149,922.96 and 60,545.84 is: 90,773.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,998 : 149,922.96 = 60,545.84 : x
  2. Step 2: Convert to fraction form
    99,998/149,922.96 = 60,545.84/x
  3. Step 3: Cross multiply
    99,998x = 149,922.96 × 60,545.84
  4. Step 4: Simplify right side
    99,998x = 9,077,211,548.49
  5. Step 5: Solve for x
    x = 9,077,211,548.49/99,998
  6. Step 6: Final answer
    x = 90,773.93

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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.