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Finding the Fourth Proportional to 75,584.79, 104,296.01 and 45,363.69

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Solution

The fourth proportional to 75,584.79, 104,296.01 and 45,363.69 is: 62,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,584.79 : 104,296.01 = 45,363.69 : x
  2. Step 2: Convert to fraction form
    75,584.79/104,296.01 = 45,363.69/x
  3. Step 3: Cross multiply
    75,584.79x = 104,296.01 × 45,363.69
  4. Step 4: Simplify right side
    75,584.79x = 4,731,251,639.06
  5. Step 5: Solve for x
    x = 4,731,251,639.06/75,584.79
  6. Step 6: Final answer
    x = 62,595.29

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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.