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Finding the Fourth Proportional to 240,610.58, 360,791.51 and 105,619.40

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Solution

The fourth proportional to 240,610.58, 360,791.51 and 105,619.40 is: 158,374.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,610.58 : 360,791.51 = 105,619.40 : x
  2. Step 2: Convert to fraction form
    240,610.58/360,791.51 = 105,619.40/x
  3. Step 3: Cross multiply
    240,610.58x = 360,791.51 × 105,619.40
  4. Step 4: Simplify right side
    240,610.58x = 38,106,582,811.29
  5. Step 5: Solve for x
    x = 38,106,582,811.29/240,610.58
  6. Step 6: Final answer
    x = 158,374.51

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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.