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Finding the Fourth Proportional to 147,755.40, 203,764.04 and 117,640.14

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Solution

The fourth proportional to 147,755.40, 203,764.04 and 117,640.14 is: 162,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,755.40 : 203,764.04 = 117,640.14 : x
  2. Step 2: Convert to fraction form
    147,755.40/203,764.04 = 117,640.14/x
  3. Step 3: Cross multiply
    147,755.40x = 203,764.04 × 117,640.14
  4. Step 4: Simplify right side
    147,755.40x = 23,970,830,192.57
  5. Step 5: Solve for x
    x = 23,970,830,192.57/147,755.40
  6. Step 6: Final answer
    x = 162,233.19

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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.