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Finding the Fourth Proportional to 94,543, 130,469.34 and 52,105.48

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Solution

The fourth proportional to 94,543, 130,469.34 and 52,105.48 is: 71,905.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,543 : 130,469.34 = 52,105.48 : x
  2. Step 2: Convert to fraction form
    94,543/130,469.34 = 52,105.48/x
  3. Step 3: Cross multiply
    94,543x = 130,469.34 × 52,105.48
  4. Step 4: Simplify right side
    94,543x = 6,798,167,585.98
  5. Step 5: Solve for x
    x = 6,798,167,585.98/94,543
  6. Step 6: Final answer
    x = 71,905.56

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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.