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Finding the Fourth Proportional to 73,530.66, 110,332.44 and 29,156.46

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Solution

The fourth proportional to 73,530.66, 110,332.44 and 29,156.46 is: 43,749.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,530.66 : 110,332.44 = 29,156.46 : x
  2. Step 2: Convert to fraction form
    73,530.66/110,332.44 = 29,156.46/x
  3. Step 3: Cross multiply
    73,530.66x = 110,332.44 × 29,156.46
  4. Step 4: Simplify right side
    73,530.66x = 3,216,903,373.56
  5. Step 5: Solve for x
    x = 3,216,903,373.56/73,530.66
  6. Step 6: Final answer
    x = 43,749.14

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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.