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Finding the Fourth Proportional to 79,727.00, 110,018.31 and 43,915.01

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Solution

The fourth proportional to 79,727.00, 110,018.31 and 43,915.01 is: 60,599.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,727.00 : 110,018.31 = 43,915.01 : x
  2. Step 2: Convert to fraction form
    79,727.00/110,018.31 = 43,915.01/x
  3. Step 3: Cross multiply
    79,727.00x = 110,018.31 × 43,915.01
  4. Step 4: Simplify right side
    79,727.00x = 4,831,454,633.74
  5. Step 5: Solve for x
    x = 4,831,454,633.74/79,727.00
  6. Step 6: Final answer
    x = 60,599.98

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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.