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Finding the Fourth Proportional to 145,091.98, 217,610.97 and 60,829.30

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Solution

The fourth proportional to 145,091.98, 217,610.97 and 60,829.30 is: 91,232.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,091.98 : 217,610.97 = 60,829.30 : x
  2. Step 2: Convert to fraction form
    145,091.98/217,610.97 = 60,829.30/x
  3. Step 3: Cross multiply
    145,091.98x = 217,610.97 × 60,829.30
  4. Step 4: Simplify right side
    145,091.98x = 13,237,122,977.42
  5. Step 5: Solve for x
    x = 13,237,122,977.42/145,091.98
  6. Step 6: Final answer
    x = 91,232.63

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1.5x scale

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.