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Finding the Fourth Proportional to 192,091.88, 265,121.49 and 114,572.50

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Solution

The fourth proportional to 192,091.88, 265,121.49 and 114,572.50 is: 158,130.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,091.88 : 265,121.49 = 114,572.50 : x
  2. Step 2: Convert to fraction form
    192,091.88/265,121.49 = 114,572.50/x
  3. Step 3: Cross multiply
    192,091.88x = 265,121.49 × 114,572.50
  4. Step 4: Simplify right side
    192,091.88x = 30,375,630,587.42
  5. Step 5: Solve for x
    x = 30,375,630,587.42/192,091.88
  6. Step 6: Final answer
    x = 158,130.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.