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Finding the Fourth Proportional to 110,553.70, 152,564.68 and 62,809.72

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Solution

The fourth proportional to 110,553.70, 152,564.68 and 62,809.72 is: 86,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,553.70 : 152,564.68 = 62,809.72 : x
  2. Step 2: Convert to fraction form
    110,553.70/152,564.68 = 62,809.72/x
  3. Step 3: Cross multiply
    110,553.70x = 152,564.68 × 62,809.72
  4. Step 4: Simplify right side
    110,553.70x = 9,582,544,832.69
  5. Step 5: Solve for x
    x = 9,582,544,832.69/110,553.70
  6. Step 6: Final answer
    x = 86,677.74

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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.