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Finding the Fourth Proportional to 100,374.13, 150,619.51 and 44,970.13

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Solution

The fourth proportional to 100,374.13, 150,619.51 and 44,970.13 is: 67,481.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,374.13 : 150,619.51 = 44,970.13 : x
  2. Step 2: Convert to fraction form
    100,374.13/150,619.51 = 44,970.13/x
  3. Step 3: Cross multiply
    100,374.13x = 150,619.51 × 44,970.13
  4. Step 4: Simplify right side
    100,374.13x = 6,773,378,192.14
  5. Step 5: Solve for x
    x = 6,773,378,192.14/100,374.13
  6. Step 6: Final answer
    x = 67,481.32

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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.