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Finding the Fourth Proportional to 162,640.71, 244,034.78 and 96,210.59

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Solution

The fourth proportional to 162,640.71, 244,034.78 and 96,210.59 is: 144,359.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,640.71 : 244,034.78 = 96,210.59 : x
  2. Step 2: Convert to fraction form
    162,640.71/244,034.78 = 96,210.59/x
  3. Step 3: Cross multiply
    162,640.71x = 244,034.78 × 96,210.59
  4. Step 4: Simplify right side
    162,640.71x = 23,478,728,463.09
  5. Step 5: Solve for x
    x = 23,478,728,463.09/162,640.71
  6. Step 6: Final answer
    x = 144,359.48

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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.