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Finding the Fourth Proportional to 73,535.60, 101,571.64 and 60,661.52

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Solution

The fourth proportional to 73,535.60, 101,571.64 and 60,661.52 is: 83,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,535.60 : 101,571.64 = 60,661.52 : x
  2. Step 2: Convert to fraction form
    73,535.60/101,571.64 = 60,661.52/x
  3. Step 3: Cross multiply
    73,535.60x = 101,571.64 × 60,661.52
  4. Step 4: Simplify right side
    73,535.60x = 6,161,490,071.29
  5. Step 5: Solve for x
    x = 6,161,490,071.29/73,535.60
  6. Step 6: Final answer
    x = 83,789.21

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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.