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Finding the Fourth Proportional to 149,342.82, 223,487.82 and 93,209.22

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Solution

The fourth proportional to 149,342.82, 223,487.82 and 93,209.22 is: 139,485.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,342.82 : 223,487.82 = 93,209.22 : x
  2. Step 2: Convert to fraction form
    149,342.82/223,487.82 = 93,209.22/x
  3. Step 3: Cross multiply
    149,342.82x = 223,487.82 × 93,209.22
  4. Step 4: Simplify right side
    149,342.82x = 20,831,125,381.70
  5. Step 5: Solve for x
    x = 20,831,125,381.70/149,342.82
  6. Step 6: Final answer
    x = 139,485.28

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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.