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Finding the Fourth Proportional to 137,391.35, 206,091.08 and 117,274.01

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Solution

The fourth proportional to 137,391.35, 206,091.08 and 117,274.01 is: 175,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,391.35 : 206,091.08 = 117,274.01 : x
  2. Step 2: Convert to fraction form
    137,391.35/206,091.08 = 117,274.01/x
  3. Step 3: Cross multiply
    137,391.35x = 206,091.08 × 117,274.01
  4. Step 4: Simplify right side
    137,391.35x = 24,169,126,199.78
  5. Step 5: Solve for x
    x = 24,169,126,199.78/137,391.35
  6. Step 6: Final answer
    x = 175,914.46

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1.5x scale

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.