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Finding the Fourth Proportional to 147,266.50, 220,899.75 and 36,458.50

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Solution

The fourth proportional to 147,266.50, 220,899.75 and 36,458.50 is: 54,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,266.50 : 220,899.75 = 36,458.50 : x
  2. Step 2: Convert to fraction form
    147,266.50/220,899.75 = 36,458.50/x
  3. Step 3: Cross multiply
    147,266.50x = 220,899.75 × 36,458.50
  4. Step 4: Simplify right side
    147,266.50x = 8,053,673,535.38
  5. Step 5: Solve for x
    x = 8,053,673,535.38/147,266.50
  6. Step 6: Final answer
    x = 54,687.75

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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.