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Finding the Fourth Proportional to 110,552.94, 152,563.64 and 62,809.02

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Solution

The fourth proportional to 110,552.94, 152,563.64 and 62,809.02 is: 86,676.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,552.94 : 152,563.64 = 62,809.02 : x
  2. Step 2: Convert to fraction form
    110,552.94/152,563.64 = 62,809.02/x
  3. Step 3: Cross multiply
    110,552.94x = 152,563.64 × 62,809.02
  4. Step 4: Simplify right side
    110,552.94x = 9,582,372,401.99
  5. Step 5: Solve for x
    x = 9,582,372,401.99/110,552.94
  6. Step 6: Final answer
    x = 86,676.78

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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.