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Finding the Fourth Proportional to 74,765.52, 112,166.73 and 22,175.01

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Solution

The fourth proportional to 74,765.52, 112,166.73 and 22,175.01 is: 33,267.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,765.52 : 112,166.73 = 22,175.01 : x
  2. Step 2: Convert to fraction form
    74,765.52/112,166.73 = 22,175.01/x
  3. Step 3: Cross multiply
    74,765.52x = 112,166.73 × 22,175.01
  4. Step 4: Simplify right side
    74,765.52x = 2,487,298,359.42
  5. Step 5: Solve for x
    x = 2,487,298,359.42/74,765.52
  6. Step 6: Final answer
    x = 33,267.99

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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.