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Finding the Fourth Proportional to 247,983.35, 372,037.50 and 70,490.36

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Solution

The fourth proportional to 247,983.35, 372,037.50 and 70,490.36 is: 105,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,983.35 : 372,037.50 = 70,490.36 : x
  2. Step 2: Convert to fraction form
    247,983.35/372,037.50 = 70,490.36/x
  3. Step 3: Cross multiply
    247,983.35x = 372,037.50 × 70,490.36
  4. Step 4: Simplify right side
    247,983.35x = 26,225,058,238.59
  5. Step 5: Solve for x
    x = 26,225,058,238.59/247,983.35
  6. Step 6: Final answer
    x = 105,753.30

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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.