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Finding the Fourth Proportional to 133,348.70, 200,023.05 and 83,485.10

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Solution

The fourth proportional to 133,348.70, 200,023.05 and 83,485.10 is: 125,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,348.70 : 200,023.05 = 83,485.10 : x
  2. Step 2: Convert to fraction form
    133,348.70/200,023.05 = 83,485.10/x
  3. Step 3: Cross multiply
    133,348.70x = 200,023.05 × 83,485.10
  4. Step 4: Simplify right side
    133,348.70x = 16,698,944,331.56
  5. Step 5: Solve for x
    x = 16,698,944,331.56/133,348.70
  6. Step 6: Final answer
    x = 125,227.65

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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.