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Finding the Fourth Proportional to 236,340.48, 354,579.84 and 70,132.80

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Solution

The fourth proportional to 236,340.48, 354,579.84 and 70,132.80 is: 105,219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,340.48 : 354,579.84 = 70,132.80 : x
  2. Step 2: Convert to fraction form
    236,340.48/354,579.84 = 70,132.80/x
  3. Step 3: Cross multiply
    236,340.48x = 354,579.84 × 70,132.80
  4. Step 4: Simplify right side
    236,340.48x = 24,867,677,002.75
  5. Step 5: Solve for x
    x = 24,867,677,002.75/236,340.48
  6. Step 6: Final answer
    x = 105,219.71

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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.