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Finding the Fourth Proportional to 99,362.65, 149,007.93 and 54,417.41

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Solution

The fourth proportional to 99,362.65, 149,007.93 and 54,417.41 is: 81,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,362.65 : 149,007.93 = 54,417.41 : x
  2. Step 2: Convert to fraction form
    99,362.65/149,007.93 = 54,417.41/x
  3. Step 3: Cross multiply
    99,362.65x = 149,007.93 × 54,417.41
  4. Step 4: Simplify right side
    99,362.65x = 8,108,625,620.06
  5. Step 5: Solve for x
    x = 8,108,625,620.06/99,362.65
  6. Step 6: Final answer
    x = 81,606.37

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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.