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Finding the Fourth Proportional to 192,274.16, 288,415.89 and 59,155.52

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Solution

The fourth proportional to 192,274.16, 288,415.89 and 59,155.52 is: 88,734.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,274.16 : 288,415.89 = 59,155.52 : x
  2. Step 2: Convert to fraction form
    192,274.16/288,415.89 = 59,155.52/x
  3. Step 3: Cross multiply
    192,274.16x = 288,415.89 × 59,155.52
  4. Step 4: Simplify right side
    192,274.16x = 17,061,390,507.13
  5. Step 5: Solve for x
    x = 17,061,390,507.13/192,274.16
  6. Step 6: Final answer
    x = 88,734.71

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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.