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Finding the Fourth Proportional to 110,553.61, 152,564.49 and 62,809.57

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Solution

The fourth proportional to 110,553.61, 152,564.49 and 62,809.57 is: 86,677.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,553.61 : 152,564.49 = 62,809.57 : x
  2. Step 2: Convert to fraction form
    110,553.61/152,564.49 = 62,809.57/x
  3. Step 3: Cross multiply
    110,553.61x = 152,564.49 × 62,809.57
  4. Step 4: Simplify right side
    110,553.61x = 9,582,510,014.17
  5. Step 5: Solve for x
    x = 9,582,510,014.17/110,553.61
  6. Step 6: Final answer
    x = 86,677.50

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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.