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Finding the Fourth Proportional to 240,363.82, 360,291.48 and 90,539.28

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Solution

The fourth proportional to 240,363.82, 360,291.48 and 90,539.28 is: 135,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,363.82 : 360,291.48 = 90,539.28 : x
  2. Step 2: Convert to fraction form
    240,363.82/360,291.48 = 90,539.28/x
  3. Step 3: Cross multiply
    240,363.82x = 360,291.48 × 90,539.28
  4. Step 4: Simplify right side
    240,363.82x = 32,620,531,415.68
  5. Step 5: Solve for x
    x = 32,620,531,415.68/240,363.82
  6. Step 6: Final answer
    x = 135,713.15

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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.