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Finding the Fourth Proportional to 67,353.76, 101,030.64 and 29,905.03

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Solution

The fourth proportional to 67,353.76, 101,030.64 and 29,905.03 is: 44,857.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,353.76 : 101,030.64 = 29,905.03 : x
  2. Step 2: Convert to fraction form
    67,353.76/101,030.64 = 29,905.03/x
  3. Step 3: Cross multiply
    67,353.76x = 101,030.64 × 29,905.03
  4. Step 4: Simplify right side
    67,353.76x = 3,021,324,320.12
  5. Step 5: Solve for x
    x = 3,021,324,320.12/67,353.76
  6. Step 6: Final answer
    x = 44,857.55

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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.