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Finding the Fourth Proportional to 69,618, 104,426.84 and 25,244.66

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Solution

The fourth proportional to 69,618, 104,426.84 and 25,244.66 is: 37,866.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,618 : 104,426.84 = 25,244.66 : x
  2. Step 2: Convert to fraction form
    69,618/104,426.84 = 25,244.66/x
  3. Step 3: Cross multiply
    69,618x = 104,426.84 × 25,244.66
  4. Step 4: Simplify right side
    69,618x = 2,636,220,070.67
  5. Step 5: Solve for x
    x = 2,636,220,070.67/69,618
  6. Step 6: Final answer
    x = 37,866.93

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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.