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Finding the Fourth Proportional to 118,706.66, 163,817.25 and 73,383.52

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Solution

The fourth proportional to 118,706.66, 163,817.25 and 73,383.52 is: 101,270.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,706.66 : 163,817.25 = 73,383.52 : x
  2. Step 2: Convert to fraction form
    118,706.66/163,817.25 = 73,383.52/x
  3. Step 3: Cross multiply
    118,706.66x = 163,817.25 × 73,383.52
  4. Step 4: Simplify right side
    118,706.66x = 12,021,486,441.72
  5. Step 5: Solve for x
    x = 12,021,486,441.72/118,706.66
  6. Step 6: Final answer
    x = 101,270.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.