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Finding the Fourth Proportional to 162,811.84, 244,301.16 and 77,519.22

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Solution

The fourth proportional to 162,811.84, 244,301.16 and 77,519.22 is: 116,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,811.84 : 244,301.16 = 77,519.22 : x
  2. Step 2: Convert to fraction form
    162,811.84/244,301.16 = 77,519.22/x
  3. Step 3: Cross multiply
    162,811.84x = 244,301.16 × 77,519.22
  4. Step 4: Simplify right side
    162,811.84x = 18,938,035,368.30
  5. Step 5: Solve for x
    x = 18,938,035,368.30/162,811.84
  6. Step 6: Final answer
    x = 116,318.54

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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.