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Finding the Fourth Proportional to 116,894.87, 175,335.02 and 42,012.90

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Solution

The fourth proportional to 116,894.87, 175,335.02 and 42,012.90 is: 63,016.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,894.87 : 175,335.02 = 42,012.90 : x
  2. Step 2: Convert to fraction form
    116,894.87/175,335.02 = 42,012.90/x
  3. Step 3: Cross multiply
    116,894.87x = 175,335.02 × 42,012.90
  4. Step 4: Simplify right side
    116,894.87x = 7,366,332,661.76
  5. Step 5: Solve for x
    x = 7,366,332,661.76/116,894.87
  6. Step 6: Final answer
    x = 63,016.73

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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.