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Finding the Fourth Proportional to 101,113.92, 151,673.04 and 30,991.68

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Solution

The fourth proportional to 101,113.92, 151,673.04 and 30,991.68 is: 46,488.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,113.92 : 151,673.04 = 30,991.68 : x
  2. Step 2: Convert to fraction form
    101,113.92/151,673.04 = 30,991.68/x
  3. Step 3: Cross multiply
    101,113.92x = 151,673.04 × 30,991.68
  4. Step 4: Simplify right side
    101,113.92x = 4,700,602,320.31
  5. Step 5: Solve for x
    x = 4,700,602,320.31/101,113.92
  6. Step 6: Final answer
    x = 46,488.18

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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.