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Finding the Fourth Proportional to 73,337.60, 101,206 and 39,803.68

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Solution

The fourth proportional to 73,337.60, 101,206 and 39,803.68 is: 54,929.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,337.60 : 101,206 = 39,803.68 : x
  2. Step 2: Convert to fraction form
    73,337.60/101,206 = 39,803.68/x
  3. Step 3: Cross multiply
    73,337.60x = 101,206 × 39,803.68
  4. Step 4: Simplify right side
    73,337.60x = 4,028,371,238.08
  5. Step 5: Solve for x
    x = 4,028,371,238.08/73,337.60
  6. Step 6: Final answer
    x = 54,929.14

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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.