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Finding the Fourth Proportional to 73,681.53, 110,534.54 and 29,308.71

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Solution

The fourth proportional to 73,681.53, 110,534.54 and 29,308.71 is: 43,967.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,681.53 : 110,534.54 = 29,308.71 : x
  2. Step 2: Convert to fraction form
    73,681.53/110,534.54 = 29,308.71/x
  3. Step 3: Cross multiply
    73,681.53x = 110,534.54 × 29,308.71
  4. Step 4: Simplify right side
    73,681.53x = 3,239,624,777.84
  5. Step 5: Solve for x
    x = 3,239,624,777.84/73,681.53
  6. Step 6: Final answer
    x = 43,967.94

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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.