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Finding the Fourth Proportional to 73,151.96, 100,950.60 and 42,937.88

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Solution

The fourth proportional to 73,151.96, 100,950.60 and 42,937.88 is: 59,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,151.96 : 100,950.60 = 42,937.88 : x
  2. Step 2: Convert to fraction form
    73,151.96/100,950.60 = 42,937.88/x
  3. Step 3: Cross multiply
    73,151.96x = 100,950.60 × 42,937.88
  4. Step 4: Simplify right side
    73,151.96x = 4,334,604,748.73
  5. Step 5: Solve for x
    x = 4,334,604,748.73/73,151.96
  6. Step 6: Final answer
    x = 59,254.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.