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Finding the Fourth Proportional to 201,500.70, 302,197.05 and 61,221.66

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Solution

The fourth proportional to 201,500.70, 302,197.05 and 61,221.66 is: 91,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,500.70 : 302,197.05 = 61,221.66 : x
  2. Step 2: Convert to fraction form
    201,500.70/302,197.05 = 61,221.66/x
  3. Step 3: Cross multiply
    201,500.70x = 302,197.05 × 61,221.66
  4. Step 4: Simplify right side
    201,500.70x = 18,501,005,048.10
  5. Step 5: Solve for x
    x = 18,501,005,048.10/201,500.70
  6. Step 6: Final answer
    x = 91,816.08

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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.