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Finding the Fourth Proportional to 162,230.34, 243,352.21 and 55,687.48

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Solution

The fourth proportional to 162,230.34, 243,352.21 and 55,687.48 is: 83,533.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,230.34 : 243,352.21 = 55,687.48 : x
  2. Step 2: Convert to fraction form
    162,230.34/243,352.21 = 55,687.48/x
  3. Step 3: Cross multiply
    162,230.34x = 243,352.21 × 55,687.48
  4. Step 4: Simplify right side
    162,230.34x = 13,551,671,327.33
  5. Step 5: Solve for x
    x = 13,551,671,327.33/162,230.34
  6. Step 6: Final answer
    x = 83,533.52

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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.