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Finding the Fourth Proportional to 230,879.51, 318,526.04 and 140,201.22

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Solution

The fourth proportional to 230,879.51, 318,526.04 and 140,201.22 is: 193,424.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,879.51 : 318,526.04 = 140,201.22 : x
  2. Step 2: Convert to fraction form
    230,879.51/318,526.04 = 140,201.22/x
  3. Step 3: Cross multiply
    230,879.51x = 318,526.04 × 140,201.22
  4. Step 4: Simplify right side
    230,879.51x = 44,657,739,760.27
  5. Step 5: Solve for x
    x = 44,657,739,760.27/230,879.51
  6. Step 6: Final answer
    x = 193,424.44

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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.