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Finding the Fourth Proportional to 69,303, 103,960.98 and 22,543.32

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Solution

The fourth proportional to 69,303, 103,960.98 and 22,543.32 is: 33,817.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,303 : 103,960.98 = 22,543.32 : x
  2. Step 2: Convert to fraction form
    69,303/103,960.98 = 22,543.32/x
  3. Step 3: Cross multiply
    69,303x = 103,960.98 × 22,543.32
  4. Step 4: Simplify right side
    69,303x = 2,343,625,639.65
  5. Step 5: Solve for x
    x = 2,343,625,639.65/69,303
  6. Step 6: Final answer
    x = 33,817.09

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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.