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Finding the Fourth Proportional to 158,893.40, 238,224.60 and 74,610.20

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Solution

The fourth proportional to 158,893.40, 238,224.60 and 74,610.20 is: 111,861.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,893.40 : 238,224.60 = 74,610.20 : x
  2. Step 2: Convert to fraction form
    158,893.40/238,224.60 = 74,610.20/x
  3. Step 3: Cross multiply
    158,893.40x = 238,224.60 × 74,610.20
  4. Step 4: Simplify right side
    158,893.40x = 17,773,983,859.80
  5. Step 5: Solve for x
    x = 17,773,983,859.80/158,893.40
  6. Step 6: Final answer
    x = 111,861.06

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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.