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Finding the Fourth Proportional to 193,645.60, 290,468.64 and 60,526.54

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Solution

The fourth proportional to 193,645.60, 290,468.64 and 60,526.54 is: 90,789.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,645.60 : 290,468.64 = 60,526.54 : x
  2. Step 2: Convert to fraction form
    193,645.60/290,468.64 = 60,526.54/x
  3. Step 3: Cross multiply
    193,645.60x = 290,468.64 × 60,526.54
  4. Step 4: Simplify right side
    193,645.60x = 17,581,061,757.71
  5. Step 5: Solve for x
    x = 17,581,061,757.71/193,645.60
  6. Step 6: Final answer
    x = 90,789.89

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1.5x scale

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.