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Finding the Fourth Proportional to 115,886.94, 173,857.52 and 35,920.72

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Solution

The fourth proportional to 115,886.94, 173,857.52 and 35,920.72 is: 53,889.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,886.94 : 173,857.52 = 35,920.72 : x
  2. Step 2: Convert to fraction form
    115,886.94/173,857.52 = 35,920.72/x
  3. Step 3: Cross multiply
    115,886.94x = 173,857.52 × 35,920.72
  4. Step 4: Simplify right side
    115,886.94x = 6,245,087,602.94
  5. Step 5: Solve for x
    x = 6,245,087,602.94/115,886.94
  6. Step 6: Final answer
    x = 53,889.48

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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.