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Finding the Fourth Proportional to 94,260, 130,079.60 and 51,817.60

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Solution

The fourth proportional to 94,260, 130,079.60 and 51,817.60 is: 71,508.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,260 : 130,079.60 = 51,817.60 : x
  2. Step 2: Convert to fraction form
    94,260/130,079.60 = 51,817.60/x
  3. Step 3: Cross multiply
    94,260x = 130,079.60 × 51,817.60
  4. Step 4: Simplify right side
    94,260x = 6,740,412,680.96
  5. Step 5: Solve for x
    x = 6,740,412,680.96/94,260
  6. Step 6: Final answer
    x = 71,508.73

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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.