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Finding the Fourth Proportional to 63,888.72, 88,119.50 and 41,216.20

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Solution

The fourth proportional to 63,888.72, 88,119.50 and 41,216.20 is: 56,848.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,888.72 : 88,119.50 = 41,216.20 : x
  2. Step 2: Convert to fraction form
    63,888.72/88,119.50 = 41,216.20/x
  3. Step 3: Cross multiply
    63,888.72x = 88,119.50 × 41,216.20
  4. Step 4: Simplify right side
    63,888.72x = 3,631,950,935.90
  5. Step 5: Solve for x
    x = 3,631,950,935.90/63,888.72
  6. Step 6: Final answer
    x = 56,848.08

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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.