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Finding the Fourth Proportional to 67,808.96, 101,733.36 and 30,360.72

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Solution

The fourth proportional to 67,808.96, 101,733.36 and 30,360.72 is: 45,550.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,808.96 : 101,733.36 = 30,360.72 : x
  2. Step 2: Convert to fraction form
    67,808.96/101,733.36 = 30,360.72/x
  3. Step 3: Cross multiply
    67,808.96x = 101,733.36 × 30,360.72
  4. Step 4: Simplify right side
    67,808.96x = 3,088,698,057.62
  5. Step 5: Solve for x
    x = 3,088,698,057.62/67,808.96
  6. Step 6: Final answer
    x = 45,550.00

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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.