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Finding the Fourth Proportional to 104,479.74, 144,176.22 and 61,452.54

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Solution

The fourth proportional to 104,479.74, 144,176.22 and 61,452.54 is: 84,801.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,479.74 : 144,176.22 = 61,452.54 : x
  2. Step 2: Convert to fraction form
    104,479.74/144,176.22 = 61,452.54/x
  3. Step 3: Cross multiply
    104,479.74x = 144,176.22 × 61,452.54
  4. Step 4: Simplify right side
    104,479.74x = 8,859,994,926.60
  5. Step 5: Solve for x
    x = 8,859,994,926.60/104,479.74
  6. Step 6: Final answer
    x = 84,801.08

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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.