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Finding the Fourth Proportional to 107,106.77, 160,623.17 and 43,908.95

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Solution

The fourth proportional to 107,106.77, 160,623.17 and 43,908.95 is: 65,848.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,106.77 : 160,623.17 = 43,908.95 : x
  2. Step 2: Convert to fraction form
    107,106.77/160,623.17 = 43,908.95/x
  3. Step 3: Cross multiply
    107,106.77x = 160,623.17 × 43,908.95
  4. Step 4: Simplify right side
    107,106.77x = 7,052,795,087.04
  5. Step 5: Solve for x
    x = 7,052,795,087.04/107,106.77
  6. Step 6: Final answer
    x = 65,848.26

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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.