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Finding the Fourth Proportional to 94,481.52, 130,370.94 and 54,196.98

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Solution

The fourth proportional to 94,481.52, 130,370.94 and 54,196.98 is: 74,784.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,481.52 : 130,370.94 = 54,196.98 : x
  2. Step 2: Convert to fraction form
    94,481.52/130,370.94 = 54,196.98/x
  3. Step 3: Cross multiply
    94,481.52x = 130,370.94 × 54,196.98
  4. Step 4: Simplify right side
    94,481.52x = 7,065,711,227.76
  5. Step 5: Solve for x
    x = 7,065,711,227.76/94,481.52
  6. Step 6: Final answer
    x = 74,784.06

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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.