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Finding the Fourth Proportional to 201,760.90, 302,608.95 and 61,486.90

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Solution

The fourth proportional to 201,760.90, 302,608.95 and 61,486.90 is: 92,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,760.90 : 302,608.95 = 61,486.90 : x
  2. Step 2: Convert to fraction form
    201,760.90/302,608.95 = 61,486.90/x
  3. Step 3: Cross multiply
    201,760.90x = 302,608.95 × 61,486.90
  4. Step 4: Simplify right side
    201,760.90x = 18,606,486,247.76
  5. Step 5: Solve for x
    x = 18,606,486,247.76/201,760.90
  6. Step 6: Final answer
    x = 92,220.48

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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.