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Finding the Fourth Proportional to 240,842.54, 361,066.44 and 90,997.58

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Solution

The fourth proportional to 240,842.54, 361,066.44 and 90,997.58 is: 136,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,842.54 : 361,066.44 = 90,997.58 : x
  2. Step 2: Convert to fraction form
    240,842.54/361,066.44 = 90,997.58/x
  3. Step 3: Cross multiply
    240,842.54x = 361,066.44 × 90,997.58
  4. Step 4: Simplify right side
    240,842.54x = 32,856,172,259.22
  5. Step 5: Solve for x
    x = 32,856,172,259.22/240,842.54
  6. Step 6: Final answer
    x = 136,421.80

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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.