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Finding the Fourth Proportional to 73,515.60, 101,470.04 and 41,703.60

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Solution

The fourth proportional to 73,515.60, 101,470.04 and 41,703.60 is: 57,561.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,515.60 : 101,470.04 = 41,703.60 : x
  2. Step 2: Convert to fraction form
    73,515.60/101,470.04 = 41,703.60/x
  3. Step 3: Cross multiply
    73,515.60x = 101,470.04 × 41,703.60
  4. Step 4: Simplify right side
    73,515.60x = 4,231,665,960.14
  5. Step 5: Solve for x
    x = 4,231,665,960.14/73,515.60
  6. Step 6: Final answer
    x = 57,561.47

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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.