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Finding the Fourth Proportional to 99,594.77, 137,439.03 and 54,273.08

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Solution

The fourth proportional to 99,594.77, 137,439.03 and 54,273.08 is: 74,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,594.77 : 137,439.03 = 54,273.08 : x
  2. Step 2: Convert to fraction form
    99,594.77/137,439.03 = 54,273.08/x
  3. Step 3: Cross multiply
    99,594.77x = 137,439.03 × 54,273.08
  4. Step 4: Simplify right side
    99,594.77x = 7,459,239,470.31
  5. Step 5: Solve for x
    x = 7,459,239,470.31/99,594.77
  6. Step 6: Final answer
    x = 74,895.90

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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.