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Finding the Fourth Proportional to 145,593.53, 218,442.84 and 50,837.68

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Solution

The fourth proportional to 145,593.53, 218,442.84 and 50,837.68 is: 76,274.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,593.53 : 218,442.84 = 50,837.68 : x
  2. Step 2: Convert to fraction form
    145,593.53/218,442.84 = 50,837.68/x
  3. Step 3: Cross multiply
    145,593.53x = 218,442.84 × 50,837.68
  4. Step 4: Simplify right side
    145,593.53x = 11,105,126,106.00
  5. Step 5: Solve for x
    x = 11,105,126,106.00/145,593.53
  6. Step 6: Final answer
    x = 76,274.86

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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.