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Finding the Fourth Proportional to 201,370.50, 302,057.60 and 61,129.13

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Solution

The fourth proportional to 201,370.50, 302,057.60 and 61,129.13 is: 91,694.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,370.50 : 302,057.60 = 61,129.13 : x
  2. Step 2: Convert to fraction form
    201,370.50/302,057.60 = 61,129.13/x
  3. Step 3: Cross multiply
    201,370.50x = 302,057.60 × 61,129.13
  4. Step 4: Simplify right side
    201,370.50x = 18,464,516,481.95
  5. Step 5: Solve for x
    x = 18,464,516,481.95/201,370.50
  6. Step 6: Final answer
    x = 91,694.25

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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.