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Finding the Fourth Proportional to 110,386.94, 152,338.66 and 62,644.73

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Solution

The fourth proportional to 110,386.94, 152,338.66 and 62,644.73 is: 86,452.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,386.94 : 152,338.66 = 62,644.73 : x
  2. Step 2: Convert to fraction form
    110,386.94/152,338.66 = 62,644.73/x
  3. Step 3: Cross multiply
    110,386.94x = 152,338.66 × 62,644.73
  4. Step 4: Simplify right side
    110,386.94x = 9,543,213,305.96
  5. Step 5: Solve for x
    x = 9,543,213,305.96/110,386.94
  6. Step 6: Final answer
    x = 86,452.38

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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.