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Finding the Fourth Proportional to 63,115.84, 87,100.14 and 34,822.36

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Solution

The fourth proportional to 63,115.84, 87,100.14 and 34,822.36 is: 48,055.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,115.84 : 87,100.14 = 34,822.36 : x
  2. Step 2: Convert to fraction form
    63,115.84/87,100.14 = 34,822.36/x
  3. Step 3: Cross multiply
    63,115.84x = 87,100.14 × 34,822.36
  4. Step 4: Simplify right side
    63,115.84x = 3,033,032,431.13
  5. Step 5: Solve for x
    x = 3,033,032,431.13/63,115.84
  6. Step 6: Final answer
    x = 48,055.01

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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.