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Finding the Fourth Proportional to 73,703.63, 110,335.10 and 45,150.63

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Solution

The fourth proportional to 73,703.63, 110,335.10 and 45,150.63 is: 67,590.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,703.63 : 110,335.10 = 45,150.63 : x
  2. Step 2: Convert to fraction form
    73,703.63/110,335.10 = 45,150.63/x
  3. Step 3: Cross multiply
    73,703.63x = 110,335.10 × 45,150.63
  4. Step 4: Simplify right side
    73,703.63x = 4,981,699,439.07
  5. Step 5: Solve for x
    x = 4,981,699,439.07/73,703.63
  6. Step 6: Final answer
    x = 67,590.97

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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.