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Finding the Fourth Proportional to 162,219.36, 223,824.42 and 98,553.36

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Solution

The fourth proportional to 162,219.36, 223,824.42 and 98,553.36 is: 135,980.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,219.36 : 223,824.42 = 98,553.36 : x
  2. Step 2: Convert to fraction form
    162,219.36/223,824.42 = 98,553.36/x
  3. Step 3: Cross multiply
    162,219.36x = 223,824.42 × 98,553.36
  4. Step 4: Simplify right side
    162,219.36x = 22,058,648,641.05
  5. Step 5: Solve for x
    x = 22,058,648,641.05/162,219.36
  6. Step 6: Final answer
    x = 135,980.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.