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Finding the Fourth Proportional to 110,079.40, 164,924.70 and 68,477.80

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Solution

The fourth proportional to 110,079.40, 164,924.70 and 68,477.80 is: 102,595.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,079.40 : 164,924.70 = 68,477.80 : x
  2. Step 2: Convert to fraction form
    110,079.40/164,924.70 = 68,477.80/x
  3. Step 3: Cross multiply
    110,079.40x = 164,924.70 × 68,477.80
  4. Step 4: Simplify right side
    110,079.40x = 11,293,680,621.66
  5. Step 5: Solve for x
    x = 11,293,680,621.66/110,079.40
  6. Step 6: Final answer
    x = 102,595.77

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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.