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Finding the Fourth Proportional to 73,445.22, 101,355.04 and 39,911.22

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Solution

The fourth proportional to 73,445.22, 101,355.04 and 39,911.22 is: 55,077.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,445.22 : 101,355.04 = 39,911.22 : x
  2. Step 2: Convert to fraction form
    73,445.22/101,355.04 = 39,911.22/x
  3. Step 3: Cross multiply
    73,445.22x = 101,355.04 × 39,911.22
  4. Step 4: Simplify right side
    73,445.22x = 4,045,203,299.55
  5. Step 5: Solve for x
    x = 4,045,203,299.55/73,445.22
  6. Step 6: Final answer
    x = 55,077.83

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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.