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Finding the Fourth Proportional to 110,802.82, 152,919.93 and 68,360.26

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Solution

The fourth proportional to 110,802.82, 152,919.93 and 68,360.26 is: 94,344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,802.82 : 152,919.93 = 68,360.26 : x
  2. Step 2: Convert to fraction form
    110,802.82/152,919.93 = 68,360.26/x
  3. Step 3: Cross multiply
    110,802.82x = 152,919.93 × 68,360.26
  4. Step 4: Simplify right side
    110,802.82x = 10,453,646,173.98
  5. Step 5: Solve for x
    x = 10,453,646,173.98/110,802.82
  6. Step 6: Final answer
    x = 94,344.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.