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Finding the Fourth Proportional to 73,573.92, 101,530.09 and 42,952.88

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Solution

The fourth proportional to 73,573.92, 101,530.09 and 42,952.88 is: 59,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,573.92 : 101,530.09 = 42,952.88 : x
  2. Step 2: Convert to fraction form
    73,573.92/101,530.09 = 42,952.88/x
  3. Step 3: Cross multiply
    73,573.92x = 101,530.09 × 42,952.88
  4. Step 4: Simplify right side
    73,573.92x = 4,361,009,264.51
  5. Step 5: Solve for x
    x = 4,361,009,264.51/73,573.92
  6. Step 6: Final answer
    x = 59,273.85

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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.