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Finding the Fourth Proportional to 99,217.66, 148,629.66 and 46,467.22

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Solution

The fourth proportional to 99,217.66, 148,629.66 and 46,467.22 is: 69,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,217.66 : 148,629.66 = 46,467.22 : x
  2. Step 2: Convert to fraction form
    99,217.66/148,629.66 = 46,467.22/x
  3. Step 3: Cross multiply
    99,217.66x = 148,629.66 × 46,467.22
  4. Step 4: Simplify right side
    99,217.66x = 6,906,407,109.75
  5. Step 5: Solve for x
    x = 6,906,407,109.75/99,217.66
  6. Step 6: Final answer
    x = 69,608.65

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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.