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Finding the Fourth Proportional to 153,592.56, 211,954.11 and 89,073.33

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Solution

The fourth proportional to 153,592.56, 211,954.11 and 89,073.33 is: 122,919.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,592.56 : 211,954.11 = 89,073.33 : x
  2. Step 2: Convert to fraction form
    153,592.56/211,954.11 = 89,073.33/x
  3. Step 3: Cross multiply
    153,592.56x = 211,954.11 × 89,073.33
  4. Step 4: Simplify right side
    153,592.56x = 18,879,458,384.89
  5. Step 5: Solve for x
    x = 18,879,458,384.89/153,592.56
  6. Step 6: Final answer
    x = 122,919.09

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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.