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Finding the Fourth Proportional to 236,293.66, 354,391.66 and 67,776.50

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Solution

The fourth proportional to 236,293.66, 354,391.66 and 67,776.50 is: 101,650.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,293.66 : 354,391.66 = 67,776.50 : x
  2. Step 2: Convert to fraction form
    236,293.66/354,391.66 = 67,776.50/x
  3. Step 3: Cross multiply
    236,293.66x = 354,391.66 × 67,776.50
  4. Step 4: Simplify right side
    236,293.66x = 24,019,424,939.99
  5. Step 5: Solve for x
    x = 24,019,424,939.99/236,293.66
  6. Step 6: Final answer
    x = 101,650.74

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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.