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Finding the Fourth Proportional to 145,705.08, 218,570.00 and 40,524.05

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Solution

The fourth proportional to 145,705.08, 218,570.00 and 40,524.05 is: 60,789.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,705.08 : 218,570.00 = 40,524.05 : x
  2. Step 2: Convert to fraction form
    145,705.08/218,570.00 = 40,524.05/x
  3. Step 3: Cross multiply
    145,705.08x = 218,570.00 × 40,524.05
  4. Step 4: Simplify right side
    145,705.08x = 8,857,340,722.85
  5. Step 5: Solve for x
    x = 8,857,340,722.85/145,705.08
  6. Step 6: Final answer
    x = 60,789.51

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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.