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Finding the Fourth Proportional to 162,999.84, 244,342.80 and 89,076

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Solution

The fourth proportional to 162,999.84, 244,342.80 and 89,076 is: 133,528.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,999.84 : 244,342.80 = 89,076 : x
  2. Step 2: Convert to fraction form
    162,999.84/244,342.80 = 89,076/x
  3. Step 3: Cross multiply
    162,999.84x = 244,342.80 × 89,076
  4. Step 4: Simplify right side
    162,999.84x = 21,765,079,252.80
  5. Step 5: Solve for x
    x = 21,765,079,252.80/162,999.84
  6. Step 6: Final answer
    x = 133,528.22

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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.