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Finding the Fourth Proportional to 114,245.54, 157,653.66 and 63,254.66

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Solution

The fourth proportional to 114,245.54, 157,653.66 and 63,254.66 is: 87,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,245.54 : 157,653.66 = 63,254.66 : x
  2. Step 2: Convert to fraction form
    114,245.54/157,653.66 = 63,254.66/x
  3. Step 3: Cross multiply
    114,245.54x = 157,653.66 × 63,254.66
  4. Step 4: Simplify right side
    114,245.54x = 9,972,328,661.06
  5. Step 5: Solve for x
    x = 9,972,328,661.06/114,245.54
  6. Step 6: Final answer
    x = 87,288.56

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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.