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Finding the Fourth Proportional to 104,752.35, 157,227.35 and 69,716.61

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Solution

The fourth proportional to 104,752.35, 157,227.35 and 69,716.61 is: 104,640.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,752.35 : 157,227.35 = 69,716.61 : x
  2. Step 2: Convert to fraction form
    104,752.35/157,227.35 = 69,716.61/x
  3. Step 3: Cross multiply
    104,752.35x = 157,227.35 × 69,716.61
  4. Step 4: Simplify right side
    104,752.35x = 10,961,357,492.70
  5. Step 5: Solve for x
    x = 10,961,357,492.70/104,752.35
  6. Step 6: Final answer
    x = 104,640.68

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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.