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Finding the Fourth Proportional to 79,794.95, 110,064.78 and 49,152.35

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Solution

The fourth proportional to 79,794.95, 110,064.78 and 49,152.35 is: 67,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,794.95 : 110,064.78 = 49,152.35 : x
  2. Step 2: Convert to fraction form
    79,794.95/110,064.78 = 49,152.35/x
  3. Step 3: Cross multiply
    79,794.95x = 110,064.78 × 49,152.35
  4. Step 4: Simplify right side
    79,794.95x = 5,409,942,864.39
  5. Step 5: Solve for x
    x = 5,409,942,864.39/79,794.95
  6. Step 6: Final answer
    x = 67,798.06

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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.