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Finding the Fourth Proportional to 73,081.14, 100,798.73 and 55,892.33

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Solution

The fourth proportional to 73,081.14, 100,798.73 and 55,892.33 is: 77,090.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,081.14 : 100,798.73 = 55,892.33 : x
  2. Step 2: Convert to fraction form
    73,081.14/100,798.73 = 55,892.33/x
  3. Step 3: Cross multiply
    73,081.14x = 100,798.73 × 55,892.33
  4. Step 4: Simplify right side
    73,081.14x = 5,633,875,684.88
  5. Step 5: Solve for x
    x = 5,633,875,684.88/73,081.14
  6. Step 6: Final answer
    x = 77,090.70

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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.