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Finding the Fourth Proportional to 115,776.66, 173,663.10 and 36,889.82

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Solution

The fourth proportional to 115,776.66, 173,663.10 and 36,889.82 is: 55,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,776.66 : 173,663.10 = 36,889.82 : x
  2. Step 2: Convert to fraction form
    115,776.66/173,663.10 = 36,889.82/x
  3. Step 3: Cross multiply
    115,776.66x = 173,663.10 × 36,889.82
  4. Step 4: Simplify right side
    115,776.66x = 6,406,400,499.64
  5. Step 5: Solve for x
    x = 6,406,400,499.64/115,776.66
  6. Step 6: Final answer
    x = 55,334.13

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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.