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Finding the Fourth Proportional to 73,124.41, 109,672.74 and 35,646.79

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Solution

The fourth proportional to 73,124.41, 109,672.74 and 35,646.79 is: 53,463.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,124.41 : 109,672.74 = 35,646.79 : x
  2. Step 2: Convert to fraction form
    73,124.41/109,672.74 = 35,646.79/x
  3. Step 3: Cross multiply
    73,124.41x = 109,672.74 × 35,646.79
  4. Step 4: Simplify right side
    73,124.41x = 3,909,481,131.50
  5. Step 5: Solve for x
    x = 3,909,481,131.50/73,124.41
  6. Step 6: Final answer
    x = 53,463.42

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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.