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Finding the Fourth Proportional to 121,801.73, 168,823.37 and 114,793.74

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Solution

The fourth proportional to 121,801.73, 168,823.37 and 114,793.74 is: 159,109.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,801.73 : 168,823.37 = 114,793.74 : x
  2. Step 2: Convert to fraction form
    121,801.73/168,823.37 = 114,793.74/x
  3. Step 3: Cross multiply
    121,801.73x = 168,823.37 × 114,793.74
  4. Step 4: Simplify right side
    121,801.73x = 19,379,866,328.69
  5. Step 5: Solve for x
    x = 19,379,866,328.69/121,801.73
  6. Step 6: Final answer
    x = 159,109.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.