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Finding the Fourth Proportional to 115,776.54, 173,662.92 and 36,889.70

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Solution

The fourth proportional to 115,776.54, 173,662.92 and 36,889.70 is: 55,333.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,776.54 : 173,662.92 = 36,889.70 : x
  2. Step 2: Convert to fraction form
    115,776.54/173,662.92 = 36,889.70/x
  3. Step 3: Cross multiply
    115,776.54x = 173,662.92 × 36,889.70
  4. Step 4: Simplify right side
    115,776.54x = 6,406,372,151.61
  5. Step 5: Solve for x
    x = 6,406,372,151.61/115,776.54
  6. Step 6: Final answer
    x = 55,333.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.