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Finding the Fourth Proportional to 162,892.70, 244,330.95 and 84,014.90

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Solution

The fourth proportional to 162,892.70, 244,330.95 and 84,014.90 is: 126,018.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,892.70 : 244,330.95 = 84,014.90 : x
  2. Step 2: Convert to fraction form
    162,892.70/244,330.95 = 84,014.90/x
  3. Step 3: Cross multiply
    162,892.70x = 244,330.95 × 84,014.90
  4. Step 4: Simplify right side
    162,892.70x = 20,527,440,331.16
  5. Step 5: Solve for x
    x = 20,527,440,331.16/162,892.70
  6. Step 6: Final answer
    x = 126,018.17

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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.