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Finding the Fourth Proportional to 201,508.40, 302,279.52 and 61,268.24

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Solution

The fourth proportional to 201,508.40, 302,279.52 and 61,268.24 is: 91,907.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,508.40 : 302,279.52 = 61,268.24 : x
  2. Step 2: Convert to fraction form
    201,508.40/302,279.52 = 61,268.24/x
  3. Step 3: Cross multiply
    201,508.40x = 302,279.52 × 61,268.24
  4. Step 4: Simplify right side
    201,508.40x = 18,520,134,178.44
  5. Step 5: Solve for x
    x = 18,520,134,178.44/201,508.40
  6. Step 6: Final answer
    x = 91,907.50

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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.