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Finding the Fourth Proportional to 162,866.16, 244,273.44 and 99,664.32

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Solution

The fourth proportional to 162,866.16, 244,273.44 and 99,664.32 is: 149,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,866.16 : 244,273.44 = 99,664.32 : x
  2. Step 2: Convert to fraction form
    162,866.16/244,273.44 = 99,664.32/x
  3. Step 3: Cross multiply
    162,866.16x = 244,273.44 × 99,664.32
  4. Step 4: Simplify right side
    162,866.16x = 24,345,346,291.66
  5. Step 5: Solve for x
    x = 24,345,346,291.66/162,866.16
  6. Step 6: Final answer
    x = 149,480.69

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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.