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Finding the Fourth Proportional to 248,335.70, 372,367.47 and 98,424.14

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Solution

The fourth proportional to 248,335.70, 372,367.47 and 98,424.14 is: 147,582.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,335.70 : 372,367.47 = 98,424.14 : x
  2. Step 2: Convert to fraction form
    248,335.70/372,367.47 = 98,424.14/x
  3. Step 3: Cross multiply
    248,335.70x = 372,367.47 × 98,424.14
  4. Step 4: Simplify right side
    248,335.70x = 36,649,947,998.73
  5. Step 5: Solve for x
    x = 36,649,947,998.73/248,335.70
  6. Step 6: Final answer
    x = 147,582.28

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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.