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Finding the Fourth Proportional to 248,265.92, 372,420.84 and 70,769.12

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Solution

The fourth proportional to 248,265.92, 372,420.84 and 70,769.12 is: 106,159.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,265.92 : 372,420.84 = 70,769.12 : x
  2. Step 2: Convert to fraction form
    248,265.92/372,420.84 = 70,769.12/x
  3. Step 3: Cross multiply
    248,265.92x = 372,420.84 × 70,769.12
  4. Step 4: Simplify right side
    248,265.92x = 26,355,895,116.46
  5. Step 5: Solve for x
    x = 26,355,895,116.46/248,265.92
  6. Step 6: Final answer
    x = 106,159.94

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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.