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Finding the Fourth Proportional to 295,390.24, 442,992.40 and 95,664.49

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Solution

The fourth proportional to 295,390.24, 442,992.40 and 95,664.49 is: 143,466.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,390.24 : 442,992.40 = 95,664.49 : x
  2. Step 2: Convert to fraction form
    295,390.24/442,992.40 = 95,664.49/x
  3. Step 3: Cross multiply
    295,390.24x = 442,992.40 × 95,664.49
  4. Step 4: Simplify right side
    295,390.24x = 42,378,642,019.88
  5. Step 5: Solve for x
    x = 42,378,642,019.88/295,390.24
  6. Step 6: Final answer
    x = 143,466.63

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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.