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Finding the Fourth Proportional to 193,337.93, 290,112.59 and 75,013.94

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Solution

The fourth proportional to 193,337.93, 290,112.59 and 75,013.94 is: 112,561.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,337.93 : 290,112.59 = 75,013.94 : x
  2. Step 2: Convert to fraction form
    193,337.93/290,112.59 = 75,013.94/x
  3. Step 3: Cross multiply
    193,337.93x = 290,112.59 × 75,013.94
  4. Step 4: Simplify right side
    193,337.93x = 21,762,487,156.48
  5. Step 5: Solve for x
    x = 21,762,487,156.48/193,337.93
  6. Step 6: Final answer
    x = 112,561.92

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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.