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Finding the Fourth Proportional to 193,407.98, 290,062.69 and 60,263.42

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Solution

The fourth proportional to 193,407.98, 290,062.69 and 60,263.42 is: 90,379.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,407.98 : 290,062.69 = 60,263.42 : x
  2. Step 2: Convert to fraction form
    193,407.98/290,062.69 = 60,263.42/x
  3. Step 3: Cross multiply
    193,407.98x = 290,062.69 × 60,263.42
  4. Step 4: Simplify right side
    193,407.98x = 17,480,169,713.80
  5. Step 5: Solve for x
    x = 17,480,169,713.80/193,407.98
  6. Step 6: Final answer
    x = 90,379.77

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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.