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Finding the Fourth Proportional to 110,673.36, 152,728.92 and 60,372

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Solution

The fourth proportional to 110,673.36, 152,728.92 and 60,372 is: 83,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,673.36 : 152,728.92 = 60,372 : x
  2. Step 2: Convert to fraction form
    110,673.36/152,728.92 = 60,372/x
  3. Step 3: Cross multiply
    110,673.36x = 152,728.92 × 60,372
  4. Step 4: Simplify right side
    110,673.36x = 9,220,550,358.24
  5. Step 5: Solve for x
    x = 9,220,550,358.24/110,673.36
  6. Step 6: Final answer
    x = 83,313.19

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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.