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Finding the Fourth Proportional to 107,400.16, 160,964.16 and 60,679.36

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Solution

The fourth proportional to 107,400.16, 160,964.16 and 60,679.36 is: 90,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,400.16 : 160,964.16 = 60,679.36 : x
  2. Step 2: Convert to fraction form
    107,400.16/160,964.16 = 60,679.36/x
  3. Step 3: Cross multiply
    107,400.16x = 160,964.16 × 60,679.36
  4. Step 4: Simplify right side
    107,400.16x = 9,767,202,211.74
  5. Step 5: Solve for x
    x = 9,767,202,211.74/107,400.16
  6. Step 6: Final answer
    x = 90,942.16

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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.