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Finding the Fourth Proportional to 73,254.66, 101,057.28 and 47,421.56

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Solution

The fourth proportional to 73,254.66, 101,057.28 and 47,421.56 is: 65,419.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,254.66 : 101,057.28 = 47,421.56 : x
  2. Step 2: Convert to fraction form
    73,254.66/101,057.28 = 47,421.56/x
  3. Step 3: Cross multiply
    73,254.66x = 101,057.28 × 47,421.56
  4. Step 4: Simplify right side
    73,254.66x = 4,792,293,866.96
  5. Step 5: Solve for x
    x = 4,792,293,866.96/73,254.66
  6. Step 6: Final answer
    x = 65,419.65

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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.