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Finding the Fourth Proportional to 75,952.77, 104,666.81 and 54,691.89

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Solution

The fourth proportional to 75,952.77, 104,666.81 and 54,691.89 is: 75,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,952.77 : 104,666.81 = 54,691.89 : x
  2. Step 2: Convert to fraction form
    75,952.77/104,666.81 = 54,691.89/x
  3. Step 3: Cross multiply
    75,952.77x = 104,666.81 × 54,691.89
  4. Step 4: Simplify right side
    75,952.77x = 5,724,425,659.17
  5. Step 5: Solve for x
    x = 5,724,425,659.17/75,952.77
  6. Step 6: Final answer
    x = 75,368.23

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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.