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Finding the Fourth Proportional to 69,121.02, 103,698.02 and 22,373.91

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Solution

The fourth proportional to 69,121.02, 103,698.02 and 22,373.91 is: 33,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,121.02 : 103,698.02 = 22,373.91 : x
  2. Step 2: Convert to fraction form
    69,121.02/103,698.02 = 22,373.91/x
  3. Step 3: Cross multiply
    69,121.02x = 103,698.02 × 22,373.91
  4. Step 4: Simplify right side
    69,121.02x = 2,320,130,054.79
  5. Step 5: Solve for x
    x = 2,320,130,054.79/69,121.02
  6. Step 6: Final answer
    x = 33,566.20

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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.