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Finding the Fourth Proportional to 73,853.93, 101,917.90 and 40,319.93

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Solution

The fourth proportional to 73,853.93, 101,917.90 and 40,319.93 is: 55,641.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,853.93 : 101,917.90 = 40,319.93 : x
  2. Step 2: Convert to fraction form
    73,853.93/101,917.90 = 40,319.93/x
  3. Step 3: Cross multiply
    73,853.93x = 101,917.90 × 40,319.93
  4. Step 4: Simplify right side
    73,853.93x = 4,109,322,593.75
  5. Step 5: Solve for x
    x = 4,109,322,593.75/73,853.93
  6. Step 6: Final answer
    x = 55,641.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.