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Finding the Fourth Proportional to 73,798.44, 110,698.74 and 70,212.84

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Solution

The fourth proportional to 73,798.44, 110,698.74 and 70,212.84 is: 105,320.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,798.44 : 110,698.74 = 70,212.84 : x
  2. Step 2: Convert to fraction form
    73,798.44/110,698.74 = 70,212.84/x
  3. Step 3: Cross multiply
    73,798.44x = 110,698.74 × 70,212.84
  4. Step 4: Simplify right side
    73,798.44x = 7,772,472,919.82
  5. Step 5: Solve for x
    x = 7,772,472,919.82/73,798.44
  6. Step 6: Final answer
    x = 105,320.29

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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.