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Finding the Fourth Proportional to 193,595.67, 290,349.71 and 73,609.81

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Solution

The fourth proportional to 193,595.67, 290,349.71 and 73,609.81 is: 110,398.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,595.67 : 290,349.71 = 73,609.81 : x
  2. Step 2: Convert to fraction form
    193,595.67/290,349.71 = 73,609.81/x
  3. Step 3: Cross multiply
    193,595.67x = 290,349.71 × 73,609.81
  4. Step 4: Simplify right side
    193,595.67x = 21,372,588,216.04
  5. Step 5: Solve for x
    x = 21,372,588,216.04/193,595.67
  6. Step 6: Final answer
    x = 110,398.07

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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.