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Finding the Fourth Proportional to 104,858.20, 157,287.30 and 62,867.80

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Solution

The fourth proportional to 104,858.20, 157,287.30 and 62,867.80 is: 94,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,858.20 : 157,287.30 = 62,867.80 : x
  2. Step 2: Convert to fraction form
    104,858.20/157,287.30 = 62,867.80/x
  3. Step 3: Cross multiply
    104,858.20x = 157,287.30 × 62,867.80
  4. Step 4: Simplify right side
    104,858.20x = 9,888,306,518.94
  5. Step 5: Solve for x
    x = 9,888,306,518.94/104,858.20
  6. Step 6: Final answer
    x = 94,301.70

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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.