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Finding the Fourth Proportional to 147,522.66, 203,580.90 and 80,454.66

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Solution

The fourth proportional to 147,522.66, 203,580.90 and 80,454.66 is: 111,027.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,522.66 : 203,580.90 = 80,454.66 : x
  2. Step 2: Convert to fraction form
    147,522.66/203,580.90 = 80,454.66/x
  3. Step 3: Cross multiply
    147,522.66x = 203,580.90 × 80,454.66
  4. Step 4: Simplify right side
    147,522.66x = 16,379,032,091.99
  5. Step 5: Solve for x
    x = 16,379,032,091.99/147,522.66
  6. Step 6: Final answer
    x = 111,027.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.