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Finding the Fourth Proportional to 69,052.93, 103,005.62 and 67,911.13

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Solution

The fourth proportional to 69,052.93, 103,005.62 and 67,911.13 is: 101,302.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,052.93 : 103,005.62 = 67,911.13 : x
  2. Step 2: Convert to fraction form
    69,052.93/103,005.62 = 67,911.13/x
  3. Step 3: Cross multiply
    69,052.93x = 103,005.62 × 67,911.13
  4. Step 4: Simplify right side
    69,052.93x = 6,995,228,050.55
  5. Step 5: Solve for x
    x = 6,995,228,050.55/69,052.93
  6. Step 6: Final answer
    x = 101,302.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.