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Finding the Fourth Proportional to 94,481.22, 130,390 and 52,039.74

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Solution

The fourth proportional to 94,481.22, 130,390 and 52,039.74 is: 71,818.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,481.22 : 130,390 = 52,039.74 : x
  2. Step 2: Convert to fraction form
    94,481.22/130,390 = 52,039.74/x
  3. Step 3: Cross multiply
    94,481.22x = 130,390 × 52,039.74
  4. Step 4: Simplify right side
    94,481.22x = 6,785,461,698.60
  5. Step 5: Solve for x
    x = 6,785,461,698.60/94,481.22
  6. Step 6: Final answer
    x = 71,818.10

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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.