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Finding the Fourth Proportional to 236,518.29, 354,739.06 and 68,000.22

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Solution

The fourth proportional to 236,518.29, 354,739.06 and 68,000.22 is: 101,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,518.29 : 354,739.06 = 68,000.22 : x
  2. Step 2: Convert to fraction form
    236,518.29/354,739.06 = 68,000.22/x
  3. Step 3: Cross multiply
    236,518.29x = 354,739.06 × 68,000.22
  4. Step 4: Simplify right side
    236,518.29x = 24,122,333,782.59
  5. Step 5: Solve for x
    x = 24,122,333,782.59/236,518.29
  6. Step 6: Final answer
    x = 101,989.30

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1.5x scale

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.