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Finding the Fourth Proportional to 75,588.98, 104,277.89 and 48,740.11

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Solution

The fourth proportional to 75,588.98, 104,277.89 and 48,740.11 is: 67,238.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,588.98 : 104,277.89 = 48,740.11 : x
  2. Step 2: Convert to fraction form
    75,588.98/104,277.89 = 48,740.11/x
  3. Step 3: Cross multiply
    75,588.98x = 104,277.89 × 48,740.11
  4. Step 4: Simplify right side
    75,588.98x = 5,082,515,829.17
  5. Step 5: Solve for x
    x = 5,082,515,829.17/75,588.98
  6. Step 6: Final answer
    x = 67,238.85

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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.