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Finding the Fourth Proportional to 118,777.35, 163,850.60 and 73,440.84

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Solution

The fourth proportional to 118,777.35, 163,850.60 and 73,440.84 is: 101,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,777.35 : 163,850.60 = 73,440.84 : x
  2. Step 2: Convert to fraction form
    118,777.35/163,850.60 = 73,440.84/x
  3. Step 3: Cross multiply
    118,777.35x = 163,850.60 × 73,440.84
  4. Step 4: Simplify right side
    118,777.35x = 12,033,325,331.30
  5. Step 5: Solve for x
    x = 12,033,325,331.30/118,777.35
  6. Step 6: Final answer
    x = 101,309.93

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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.