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Finding the Fourth Proportional to 248,295.48, 372,446.70 and 70,802.46

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Solution

The fourth proportional to 248,295.48, 372,446.70 and 70,802.46 is: 106,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,295.48 : 372,446.70 = 70,802.46 : x
  2. Step 2: Convert to fraction form
    248,295.48/372,446.70 = 70,802.46/x
  3. Step 3: Cross multiply
    248,295.48x = 372,446.70 × 70,802.46
  4. Step 4: Simplify right side
    248,295.48x = 26,370,142,578.88
  5. Step 5: Solve for x
    x = 26,370,142,578.88/248,295.48
  6. Step 6: Final answer
    x = 106,204.68

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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.