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Finding the Fourth Proportional to 248,578.30, 372,916.05 and 98,793.10

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Solution

The fourth proportional to 248,578.30, 372,916.05 and 98,793.10 is: 148,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,578.30 : 372,916.05 = 98,793.10 : x
  2. Step 2: Convert to fraction form
    248,578.30/372,916.05 = 98,793.10/x
  3. Step 3: Cross multiply
    248,578.30x = 372,916.05 × 98,793.10
  4. Step 4: Simplify right side
    248,578.30x = 36,841,532,619.26
  5. Step 5: Solve for x
    x = 36,841,532,619.26/248,578.30
  6. Step 6: Final answer
    x = 148,208.97

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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.