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Finding the Fourth Proportional to 99,349.65, 149,026.11 and 29,230.65

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Solution

The fourth proportional to 99,349.65, 149,026.11 and 29,230.65 is: 43,846.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,349.65 : 149,026.11 = 29,230.65 : x
  2. Step 2: Convert to fraction form
    99,349.65/149,026.11 = 29,230.65/x
  3. Step 3: Cross multiply
    99,349.65x = 149,026.11 × 29,230.65
  4. Step 4: Simplify right side
    99,349.65x = 4,356,130,062.27
  5. Step 5: Solve for x
    x = 4,356,130,062.27/99,349.65
  6. Step 6: Final answer
    x = 43,846.46

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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.