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Finding the Fourth Proportional to 161,113.62, 241,764.05 and 66,353.34

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Solution

The fourth proportional to 161,113.62, 241,764.05 and 66,353.34 is: 99,568.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,113.62 : 241,764.05 = 66,353.34 : x
  2. Step 2: Convert to fraction form
    161,113.62/241,764.05 = 66,353.34/x
  3. Step 3: Cross multiply
    161,113.62x = 241,764.05 × 66,353.34
  4. Step 4: Simplify right side
    161,113.62x = 16,041,852,209.43
  5. Step 5: Solve for x
    x = 16,041,852,209.43/161,113.62
  6. Step 6: Final answer
    x = 99,568.57

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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.