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Finding the Fourth Proportional to 115,477.96, 173,221.76 and 36,590.44

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Solution

The fourth proportional to 115,477.96, 173,221.76 and 36,590.44 is: 54,887.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,477.96 : 173,221.76 = 36,590.44 : x
  2. Step 2: Convert to fraction form
    115,477.96/173,221.76 = 36,590.44/x
  3. Step 3: Cross multiply
    115,477.96x = 173,221.76 × 36,590.44
  4. Step 4: Simplify right side
    115,477.96x = 6,338,260,415.97
  5. Step 5: Solve for x
    x = 6,338,260,415.97/115,477.96
  6. Step 6: Final answer
    x = 54,887.19

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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.