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Finding the Fourth Proportional to 94,105.98, 129,864.60 and 51,664.20

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Solution

The fourth proportional to 94,105.98, 129,864.60 and 51,664.20 is: 71,295.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,105.98 : 129,864.60 = 51,664.20 : x
  2. Step 2: Convert to fraction form
    94,105.98/129,864.60 = 51,664.20/x
  3. Step 3: Cross multiply
    94,105.98x = 129,864.60 × 51,664.20
  4. Step 4: Simplify right side
    94,105.98x = 6,709,350,667.32
  5. Step 5: Solve for x
    x = 6,709,350,667.32/94,105.98
  6. Step 6: Final answer
    x = 71,295.69

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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.