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Finding the Fourth Proportional to 115,494.76, 173,263.74 and 36,587.80

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Solution

The fourth proportional to 115,494.76, 173,263.74 and 36,587.80 is: 54,888.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,494.76 : 173,263.74 = 36,587.80 : x
  2. Step 2: Convert to fraction form
    115,494.76/173,263.74 = 36,587.80/x
  3. Step 3: Cross multiply
    115,494.76x = 173,263.74 × 36,587.80
  4. Step 4: Simplify right side
    115,494.76x = 6,339,339,066.37
  5. Step 5: Solve for x
    x = 6,339,339,066.37/115,494.76
  6. Step 6: Final answer
    x = 54,888.54

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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.