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Finding the Fourth Proportional to 157,048.41, 216,732.48 and 89,993.37

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Solution

The fourth proportional to 157,048.41, 216,732.48 and 89,993.37 is: 124,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,048.41 : 216,732.48 = 89,993.37 : x
  2. Step 2: Convert to fraction form
    157,048.41/216,732.48 = 89,993.37/x
  3. Step 3: Cross multiply
    157,048.41x = 216,732.48 × 89,993.37
  4. Step 4: Simplify right side
    157,048.41x = 19,504,486,263.66
  5. Step 5: Solve for x
    x = 19,504,486,263.66/157,048.41
  6. Step 6: Final answer
    x = 124,194.10

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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.