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Finding the Fourth Proportional to 115,093.98, 158,774.69 and 89,424.68

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Solution

The fourth proportional to 115,093.98, 158,774.69 and 89,424.68 is: 123,363.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,093.98 : 158,774.69 = 89,424.68 : x
  2. Step 2: Convert to fraction form
    115,093.98/158,774.69 = 89,424.68/x
  3. Step 3: Cross multiply
    115,093.98x = 158,774.69 × 89,424.68
  4. Step 4: Simplify right side
    115,093.98x = 14,198,374,604.35
  5. Step 5: Solve for x
    x = 14,198,374,604.35/115,093.98
  6. Step 6: Final answer
    x = 123,363.31

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1.5x scale

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.