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Finding the Fourth Proportional to 147,523.97, 203,387.11 and 96,448.90

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Solution

The fourth proportional to 147,523.97, 203,387.11 and 96,448.90 is: 132,971.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,523.97 : 203,387.11 = 96,448.90 : x
  2. Step 2: Convert to fraction form
    147,523.97/203,387.11 = 96,448.90/x
  3. Step 3: Cross multiply
    147,523.97x = 203,387.11 × 96,448.90
  4. Step 4: Simplify right side
    147,523.97x = 19,616,463,915.62
  5. Step 5: Solve for x
    x = 19,616,463,915.62/147,523.97
  6. Step 6: Final answer
    x = 132,971.37

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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.