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Finding the Fourth Proportional to 147,449.28, 221,173.86 and 36,641.28

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Solution

The fourth proportional to 147,449.28, 221,173.86 and 36,641.28 is: 54,961.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,449.28 : 221,173.86 = 36,641.28 : x
  2. Step 2: Convert to fraction form
    147,449.28/221,173.86 = 36,641.28/x
  3. Step 3: Cross multiply
    147,449.28x = 221,173.86 × 36,641.28
  4. Step 4: Simplify right side
    147,449.28x = 8,104,093,332.94
  5. Step 5: Solve for x
    x = 8,104,093,332.94/147,449.28
  6. Step 6: Final answer
    x = 54,961.91

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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.