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Finding the Fourth Proportional to 73,262.04, 109,899.54 and 39,967.80

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Solution

The fourth proportional to 73,262.04, 109,899.54 and 39,967.80 is: 59,955.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,262.04 : 109,899.54 = 39,967.80 : x
  2. Step 2: Convert to fraction form
    73,262.04/109,899.54 = 39,967.80/x
  3. Step 3: Cross multiply
    73,262.04x = 109,899.54 × 39,967.80
  4. Step 4: Simplify right side
    73,262.04x = 4,392,442,834.81
  5. Step 5: Solve for x
    x = 4,392,442,834.81/73,262.04
  6. Step 6: Final answer
    x = 59,955.24

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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.