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Finding the Fourth Proportional to 94,285.70, 130,110.93 and 51,843.86

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Solution

The fourth proportional to 94,285.70, 130,110.93 and 51,843.86 is: 71,542.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,285.70 : 130,110.93 = 51,843.86 : x
  2. Step 2: Convert to fraction form
    94,285.70/130,110.93 = 51,843.86/x
  3. Step 3: Cross multiply
    94,285.70x = 130,110.93 × 51,843.86
  4. Step 4: Simplify right side
    94,285.70x = 6,745,452,839.39
  5. Step 5: Solve for x
    x = 6,745,452,839.39/94,285.70
  6. Step 6: Final answer
    x = 71,542.69

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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.