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Finding the Fourth Proportional to 79,993.02, 110,392.02 and 48,155.16

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Solution

The fourth proportional to 79,993.02, 110,392.02 and 48,155.16 is: 66,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,993.02 : 110,392.02 = 48,155.16 : x
  2. Step 2: Convert to fraction form
    79,993.02/110,392.02 = 48,155.16/x
  3. Step 3: Cross multiply
    79,993.02x = 110,392.02 × 48,155.16
  4. Step 4: Simplify right side
    79,993.02x = 5,315,945,385.82
  5. Step 5: Solve for x
    x = 5,315,945,385.82/79,993.02
  6. Step 6: Final answer
    x = 66,455.12

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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.