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Finding the Fourth Proportional to 75,679.48, 104,488.01 and 47,041.93

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Solution

The fourth proportional to 75,679.48, 104,488.01 and 47,041.93 is: 64,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,679.48 : 104,488.01 = 47,041.93 : x
  2. Step 2: Convert to fraction form
    75,679.48/104,488.01 = 47,041.93/x
  3. Step 3: Cross multiply
    75,679.48x = 104,488.01 × 47,041.93
  4. Step 4: Simplify right side
    75,679.48x = 4,915,317,652.26
  5. Step 5: Solve for x
    x = 4,915,317,652.26/75,679.48
  6. Step 6: Final answer
    x = 64,949.15

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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.