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Finding the Fourth Proportional to 115,953.92, 173,928.60 and 37,068.07

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Solution

The fourth proportional to 115,953.92, 173,928.60 and 37,068.07 is: 55,601.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,953.92 : 173,928.60 = 37,068.07 : x
  2. Step 2: Convert to fraction form
    115,953.92/173,928.60 = 37,068.07/x
  3. Step 3: Cross multiply
    115,953.92x = 173,928.60 × 37,068.07
  4. Step 4: Simplify right side
    115,953.92x = 6,447,197,519.80
  5. Step 5: Solve for x
    x = 6,447,197,519.80/115,953.92
  6. Step 6: Final answer
    x = 55,601.38

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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.