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Finding the Fourth Proportional to 117,330.92, 175,918.63 and 42,441.22

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Solution

The fourth proportional to 117,330.92, 175,918.63 and 42,441.22 is: 63,633.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,330.92 : 175,918.63 = 42,441.22 : x
  2. Step 2: Convert to fraction form
    117,330.92/175,918.63 = 42,441.22/x
  3. Step 3: Cross multiply
    117,330.92x = 175,918.63 × 42,441.22
  4. Step 4: Simplify right side
    117,330.92x = 7,466,201,277.93
  5. Step 5: Solve for x
    x = 7,466,201,277.93/117,330.92
  6. Step 6: Final answer
    x = 63,633.71

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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.