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Finding the Fourth Proportional to 73,662.86, 101,565.51 and 57,314.81

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Solution

The fourth proportional to 73,662.86, 101,565.51 and 57,314.81 is: 79,025.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,662.86 : 101,565.51 = 57,314.81 : x
  2. Step 2: Convert to fraction form
    73,662.86/101,565.51 = 57,314.81/x
  3. Step 3: Cross multiply
    73,662.86x = 101,565.51 × 57,314.81
  4. Step 4: Simplify right side
    73,662.86x = 5,821,207,908.20
  5. Step 5: Solve for x
    x = 5,821,207,908.20/73,662.86
  6. Step 6: Final answer
    x = 79,025.01

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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.