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Finding the Fourth Proportional to 174,019.60, 261,058.20 and 74,227.60

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Solution

The fourth proportional to 174,019.60, 261,058.20 and 74,227.60 is: 111,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,019.60 : 261,058.20 = 74,227.60 : x
  2. Step 2: Convert to fraction form
    174,019.60/261,058.20 = 74,227.60/x
  3. Step 3: Cross multiply
    174,019.60x = 261,058.20 × 74,227.60
  4. Step 4: Simplify right side
    174,019.60x = 19,377,723,646.32
  5. Step 5: Solve for x
    x = 19,377,723,646.32/174,019.60
  6. Step 6: Final answer
    x = 111,353.68

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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.