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Finding the Fourth Proportional to 158,625.44, 218,899.34 and 87,004.83

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Solution

The fourth proportional to 158,625.44, 218,899.34 and 87,004.83 is: 120,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,625.44 : 218,899.34 = 87,004.83 : x
  2. Step 2: Convert to fraction form
    158,625.44/218,899.34 = 87,004.83/x
  3. Step 3: Cross multiply
    158,625.44x = 218,899.34 × 87,004.83
  4. Step 4: Simplify right side
    158,625.44x = 19,045,299,863.81
  5. Step 5: Solve for x
    x = 19,045,299,863.81/158,625.44
  6. Step 6: Final answer
    x = 120,064.60

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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.