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Finding the Fourth Proportional to 147,082.40, 220,623.60 and 133,085.60

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Solution

The fourth proportional to 147,082.40, 220,623.60 and 133,085.60 is: 199,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,082.40 : 220,623.60 = 133,085.60 : x
  2. Step 2: Convert to fraction form
    147,082.40/220,623.60 = 133,085.60/x
  3. Step 3: Cross multiply
    147,082.40x = 220,623.60 × 133,085.60
  4. Step 4: Simplify right side
    147,082.40x = 29,361,824,180.16
  5. Step 5: Solve for x
    x = 29,361,824,180.16/147,082.40
  6. Step 6: Final answer
    x = 199,628.40

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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.