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Finding the Fourth Proportional to 236,177.60, 354,189.32 and 78,363.68

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Solution

The fourth proportional to 236,177.60, 354,189.32 and 78,363.68 is: 117,519.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,177.60 : 354,189.32 = 78,363.68 : x
  2. Step 2: Convert to fraction form
    236,177.60/354,189.32 = 78,363.68/x
  3. Step 3: Cross multiply
    236,177.60x = 354,189.32 × 78,363.68
  4. Step 4: Simplify right side
    236,177.60x = 27,755,578,531.90
  5. Step 5: Solve for x
    x = 27,755,578,531.90/236,177.60
  6. Step 6: Final answer
    x = 117,519.94

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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.