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Finding the Fourth Proportional to 110,608.58, 152,639.89 and 62,860.70

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Solution

The fourth proportional to 110,608.58, 152,639.89 and 62,860.70 is: 86,747.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,608.58 : 152,639.89 = 62,860.70 : x
  2. Step 2: Convert to fraction form
    110,608.58/152,639.89 = 62,860.70/x
  3. Step 3: Cross multiply
    110,608.58x = 152,639.89 × 62,860.70
  4. Step 4: Simplify right side
    110,608.58x = 9,595,050,557.77
  5. Step 5: Solve for x
    x = 9,595,050,557.77/110,608.58
  6. Step 6: Final answer
    x = 86,747.79

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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.