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Finding the Fourth Proportional to 105,895.22, 158,796.18 and 49,751.28

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Solution

The fourth proportional to 105,895.22, 158,796.18 and 49,751.28 is: 74,605.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,895.22 : 158,796.18 = 49,751.28 : x
  2. Step 2: Convert to fraction form
    105,895.22/158,796.18 = 49,751.28/x
  3. Step 3: Cross multiply
    105,895.22x = 158,796.18 × 49,751.28
  4. Step 4: Simplify right side
    105,895.22x = 7,900,313,214.11
  5. Step 5: Solve for x
    x = 7,900,313,214.11/105,895.22
  6. Step 6: Final answer
    x = 74,605.01

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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.