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Finding the Fourth Proportional to 163,873.76, 245,834.82 and 83,956.92

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Solution

The fourth proportional to 163,873.76, 245,834.82 and 83,956.92 is: 125,947.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,873.76 : 245,834.82 = 83,956.92 : x
  2. Step 2: Convert to fraction form
    163,873.76/245,834.82 = 83,956.92/x
  3. Step 3: Cross multiply
    163,873.76x = 245,834.82 × 83,956.92
  4. Step 4: Simplify right side
    163,873.76x = 20,639,534,315.95
  5. Step 5: Solve for x
    x = 20,639,534,315.95/163,873.76
  6. Step 6: Final answer
    x = 125,947.77

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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.