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Finding the Fourth Proportional to 73,866.58, 101,952.21 and 45,192.58

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Solution

The fourth proportional to 73,866.58, 101,952.21 and 45,192.58 is: 62,375.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,866.58 : 101,952.21 = 45,192.58 : x
  2. Step 2: Convert to fraction form
    73,866.58/101,952.21 = 45,192.58/x
  3. Step 3: Cross multiply
    73,866.58x = 101,952.21 × 45,192.58
  4. Step 4: Simplify right side
    73,866.58x = 4,607,483,406.60
  5. Step 5: Solve for x
    x = 4,607,483,406.60/73,866.58
  6. Step 6: Final answer
    x = 62,375.75

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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.