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Finding the Fourth Proportional to 161,909.84, 242,865.21 and 62,100.62

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Solution

The fourth proportional to 161,909.84, 242,865.21 and 62,100.62 is: 93,151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,909.84 : 242,865.21 = 62,100.62 : x
  2. Step 2: Convert to fraction form
    161,909.84/242,865.21 = 62,100.62/x
  3. Step 3: Cross multiply
    161,909.84x = 242,865.21 × 62,100.62
  4. Step 4: Simplify right side
    161,909.84x = 15,082,081,238.18
  5. Step 5: Solve for x
    x = 15,082,081,238.18/161,909.84
  6. Step 6: Final answer
    x = 93,151.11

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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.