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Finding the Fourth Proportional to 73,416.84, 110,160.54 and 40,135.56

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Solution

The fourth proportional to 73,416.84, 110,160.54 and 40,135.56 is: 60,222.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,416.84 : 110,160.54 = 40,135.56 : x
  2. Step 2: Convert to fraction form
    73,416.84/110,160.54 = 40,135.56/x
  3. Step 3: Cross multiply
    73,416.84x = 110,160.54 × 40,135.56
  4. Step 4: Simplify right side
    73,416.84x = 4,421,354,962.80
  5. Step 5: Solve for x
    x = 4,421,354,962.80/73,416.84
  6. Step 6: Final answer
    x = 60,222.63

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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.