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Finding the Fourth Proportional to 194,048.06, 291,109.09 and 67,724.39

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Solution

The fourth proportional to 194,048.06, 291,109.09 and 67,724.39 is: 101,599.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,048.06 : 291,109.09 = 67,724.39 : x
  2. Step 2: Convert to fraction form
    194,048.06/291,109.09 = 67,724.39/x
  3. Step 3: Cross multiply
    194,048.06x = 291,109.09 × 67,724.39
  4. Step 4: Simplify right side
    194,048.06x = 19,715,185,543.71
  5. Step 5: Solve for x
    x = 19,715,185,543.71/194,048.06
  6. Step 6: Final answer
    x = 101,599.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.