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Finding the Fourth Proportional to 67,012.89, 101,001.03 and 57,764.53

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Solution

The fourth proportional to 67,012.89, 101,001.03 and 57,764.53 is: 87,062.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,012.89 : 101,001.03 = 57,764.53 : x
  2. Step 2: Convert to fraction form
    67,012.89/101,001.03 = 57,764.53/x
  3. Step 3: Cross multiply
    67,012.89x = 101,001.03 × 57,764.53
  4. Step 4: Simplify right side
    67,012.89x = 5,834,276,738.64
  5. Step 5: Solve for x
    x = 5,834,276,738.64/67,012.89
  6. Step 6: Final answer
    x = 87,062.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.