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Finding the Fourth Proportional to 147,045.75, 220,568.63 and 36,237.75

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Solution

The fourth proportional to 147,045.75, 220,568.63 and 36,237.75 is: 54,356.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,045.75 : 220,568.63 = 36,237.75 : x
  2. Step 2: Convert to fraction form
    147,045.75/220,568.63 = 36,237.75/x
  3. Step 3: Cross multiply
    147,045.75x = 220,568.63 × 36,237.75
  4. Step 4: Simplify right side
    147,045.75x = 7,992,910,690.59
  5. Step 5: Solve for x
    x = 7,992,910,690.59/147,045.75
  6. Step 6: Final answer
    x = 54,356.63

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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.