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Finding the Fourth Proportional to 193,834.40, 290,881.20 and 88,599.20

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Solution

The fourth proportional to 193,834.40, 290,881.20 and 88,599.20 is: 132,958.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,834.40 : 290,881.20 = 88,599.20 : x
  2. Step 2: Convert to fraction form
    193,834.40/290,881.20 = 88,599.20/x
  3. Step 3: Cross multiply
    193,834.40x = 290,881.20 × 88,599.20
  4. Step 4: Simplify right side
    193,834.40x = 25,771,841,615.04
  5. Step 5: Solve for x
    x = 25,771,841,615.04/193,834.40
  6. Step 6: Final answer
    x = 132,958.04

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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.