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Finding the Fourth Proportional to 99,922.92, 137,891.99 and 54,599.93

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Solution

The fourth proportional to 99,922.92, 137,891.99 and 54,599.93 is: 75,347.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,922.92 : 137,891.99 = 54,599.93 : x
  2. Step 2: Convert to fraction form
    99,922.92/137,891.99 = 54,599.93/x
  3. Step 3: Cross multiply
    99,922.92x = 137,891.99 × 54,599.93
  4. Step 4: Simplify right side
    99,922.92x = 7,528,892,039.10
  5. Step 5: Solve for x
    x = 7,528,892,039.10/99,922.92
  6. Step 6: Final answer
    x = 75,347.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.