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Finding the Fourth Proportional to 134,004.70, 201,007.05 and 84,141.10

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Solution

The fourth proportional to 134,004.70, 201,007.05 and 84,141.10 is: 126,211.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,004.70 : 201,007.05 = 84,141.10 : x
  2. Step 2: Convert to fraction form
    134,004.70/201,007.05 = 84,141.10/x
  3. Step 3: Cross multiply
    134,004.70x = 201,007.05 × 84,141.10
  4. Step 4: Simplify right side
    134,004.70x = 16,912,954,294.76
  5. Step 5: Solve for x
    x = 16,912,954,294.76/134,004.70
  6. Step 6: Final answer
    x = 126,211.65

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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.