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Finding the Fourth Proportional to 153,728.51, 230,493.41 and 60,243.71

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Solution

The fourth proportional to 153,728.51, 230,493.41 and 60,243.71 is: 90,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,728.51 : 230,493.41 = 60,243.71 : x
  2. Step 2: Convert to fraction form
    153,728.51/230,493.41 = 60,243.71/x
  3. Step 3: Cross multiply
    153,728.51x = 230,493.41 × 60,243.71
  4. Step 4: Simplify right side
    153,728.51x = 13,885,777,847.73
  5. Step 5: Solve for x
    x = 13,885,777,847.73/153,728.51
  6. Step 6: Final answer
    x = 90,326.63

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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.