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Finding the Fourth Proportional to 193,001.51, 266,352.71 and 106,958.68

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Solution

The fourth proportional to 193,001.51, 266,352.71 and 106,958.68 is: 147,608.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,001.51 : 266,352.71 = 106,958.68 : x
  2. Step 2: Convert to fraction form
    193,001.51/266,352.71 = 106,958.68/x
  3. Step 3: Cross multiply
    193,001.51x = 266,352.71 × 106,958.68
  4. Step 4: Simplify right side
    193,001.51x = 28,488,734,276.02
  5. Step 5: Solve for x
    x = 28,488,734,276.02/193,001.51
  6. Step 6: Final answer
    x = 147,608.87

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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.