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Finding the Fourth Proportional to 171,360.95, 236,055.57 and 145,785.39

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Solution

The fourth proportional to 171,360.95, 236,055.57 and 145,785.39 is: 200,824.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,360.95 : 236,055.57 = 145,785.39 : x
  2. Step 2: Convert to fraction form
    171,360.95/236,055.57 = 145,785.39/x
  3. Step 3: Cross multiply
    171,360.95x = 236,055.57 × 145,785.39
  4. Step 4: Simplify right side
    171,360.95x = 34,413,453,334.12
  5. Step 5: Solve for x
    x = 34,413,453,334.12/171,360.95
  6. Step 6: Final answer
    x = 200,824.37

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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.