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Finding the Fourth Proportional to 145,697.52, 218,528.04 and 40,524.68

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Solution

The fourth proportional to 145,697.52, 218,528.04 and 40,524.68 is: 60,781.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,697.52 : 218,528.04 = 40,524.68 : x
  2. Step 2: Convert to fraction form
    145,697.52/218,528.04 = 40,524.68/x
  3. Step 3: Cross multiply
    145,697.52x = 218,528.04 × 40,524.68
  4. Step 4: Simplify right side
    145,697.52x = 8,855,778,892.03
  5. Step 5: Solve for x
    x = 8,855,778,892.03/145,697.52
  6. Step 6: Final answer
    x = 60,781.95

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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.