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Finding the Fourth Proportional to 71,174.00, 98,220.14 and 39,342.89

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Solution

The fourth proportional to 71,174.00, 98,220.14 and 39,342.89 is: 54,293.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,174.00 : 98,220.14 = 39,342.89 : x
  2. Step 2: Convert to fraction form
    71,174.00/98,220.14 = 39,342.89/x
  3. Step 3: Cross multiply
    71,174.00x = 98,220.14 × 39,342.89
  4. Step 4: Simplify right side
    71,174.00x = 3,864,263,475.99
  5. Step 5: Solve for x
    x = 3,864,263,475.99/71,174.00
  6. Step 6: Final answer
    x = 54,293.19

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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.