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Finding the Fourth Proportional to 240,739.49, 361,108.35 and 72,259.09

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Solution

The fourth proportional to 240,739.49, 361,108.35 and 72,259.09 is: 108,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,739.49 : 361,108.35 = 72,259.09 : x
  2. Step 2: Convert to fraction form
    240,739.49/361,108.35 = 72,259.09/x
  3. Step 3: Cross multiply
    240,739.49x = 361,108.35 × 72,259.09
  4. Step 4: Simplify right side
    240,739.49x = 26,093,358,956.86
  5. Step 5: Solve for x
    x = 26,093,358,956.86/240,739.49
  6. Step 6: Final answer
    x = 108,388.36

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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.