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Finding the Fourth Proportional to 125,476.93, 188,175.47 and 41,217.54

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Solution

The fourth proportional to 125,476.93, 188,175.47 and 41,217.54 is: 61,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,476.93 : 188,175.47 = 41,217.54 : x
  2. Step 2: Convert to fraction form
    125,476.93/188,175.47 = 41,217.54/x
  3. Step 3: Cross multiply
    125,476.93x = 188,175.47 × 41,217.54
  4. Step 4: Simplify right side
    125,476.93x = 7,756,130,064.79
  5. Step 5: Solve for x
    x = 7,756,130,064.79/125,476.93
  6. Step 6: Final answer
    x = 61,813.20

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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.