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Finding the Fourth Proportional to 201,752.20, 302,628.30 and 54,008.20

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Solution

The fourth proportional to 201,752.20, 302,628.30 and 54,008.20 is: 81,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,752.20 : 302,628.30 = 54,008.20 : x
  2. Step 2: Convert to fraction form
    201,752.20/302,628.30 = 54,008.20/x
  3. Step 3: Cross multiply
    201,752.20x = 302,628.30 × 54,008.20
  4. Step 4: Simplify right side
    201,752.20x = 16,344,409,752.06
  5. Step 5: Solve for x
    x = 16,344,409,752.06/201,752.20
  6. Step 6: Final answer
    x = 81,012.30

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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.