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Finding the Fourth Proportional to 147,757.56, 221,733.58 and 54,264.12

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Solution

The fourth proportional to 147,757.56, 221,733.58 and 54,264.12 is: 81,431.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,757.56 : 221,733.58 = 54,264.12 : x
  2. Step 2: Convert to fraction form
    147,757.56/221,733.58 = 54,264.12/x
  3. Step 3: Cross multiply
    147,757.56x = 221,733.58 × 54,264.12
  4. Step 4: Simplify right side
    147,757.56x = 12,032,177,593.15
  5. Step 5: Solve for x
    x = 12,032,177,593.15/147,757.56
  6. Step 6: Final answer
    x = 81,431.89

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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.