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Finding the Fourth Proportional to 98,814.74, 148,229.39 and 35,672.40

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Solution

The fourth proportional to 98,814.74, 148,229.39 and 35,672.40 is: 53,511.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,814.74 : 148,229.39 = 35,672.40 : x
  2. Step 2: Convert to fraction form
    98,814.74/148,229.39 = 35,672.40/x
  3. Step 3: Cross multiply
    98,814.74x = 148,229.39 × 35,672.40
  4. Step 4: Simplify right side
    98,814.74x = 5,287,698,181.02
  5. Step 5: Solve for x
    x = 5,287,698,181.02/98,814.74
  6. Step 6: Final answer
    x = 53,511.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.