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Finding the Fourth Proportional to 193,598.92, 290,354.59 and 73,613.06

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Solution

The fourth proportional to 193,598.92, 290,354.59 and 73,613.06 is: 110,402.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,598.92 : 290,354.59 = 73,613.06 : x
  2. Step 2: Convert to fraction form
    193,598.92/290,354.59 = 73,613.06/x
  3. Step 3: Cross multiply
    193,598.92x = 290,354.59 × 73,613.06
  4. Step 4: Simplify right side
    193,598.92x = 21,373,889,854.95
  5. Step 5: Solve for x
    x = 21,373,889,854.95/193,598.92
  6. Step 6: Final answer
    x = 110,402.94

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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.