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Finding the Fourth Proportional to 193,358.48, 290,033.26 and 113,900.50

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Solution

The fourth proportional to 193,358.48, 290,033.26 and 113,900.50 is: 170,848.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,358.48 : 290,033.26 = 113,900.50 : x
  2. Step 2: Convert to fraction form
    193,358.48/290,033.26 = 113,900.50/x
  3. Step 3: Cross multiply
    193,358.48x = 290,033.26 × 113,900.50
  4. Step 4: Simplify right side
    193,358.48x = 33,034,933,835.55
  5. Step 5: Solve for x
    x = 33,034,933,835.55/193,358.48
  6. Step 6: Final answer
    x = 170,848.13

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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.