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Finding the Fourth Proportional to 88,985.88, 122,776.02 and 53,162.82

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Solution

The fourth proportional to 88,985.88, 122,776.02 and 53,162.82 is: 73,350.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,985.88 : 122,776.02 = 53,162.82 : x
  2. Step 2: Convert to fraction form
    88,985.88/122,776.02 = 53,162.82/x
  3. Step 3: Cross multiply
    88,985.88x = 122,776.02 × 53,162.82
  4. Step 4: Simplify right side
    88,985.88x = 6,527,119,451.58
  5. Step 5: Solve for x
    x = 6,527,119,451.58/88,985.88
  6. Step 6: Final answer
    x = 73,350.06

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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.