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Finding the Fourth Proportional to 181,960.58, 251,102.25 and 101,386.37

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Solution

The fourth proportional to 181,960.58, 251,102.25 and 101,386.37 is: 139,911.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,960.58 : 251,102.25 = 101,386.37 : x
  2. Step 2: Convert to fraction form
    181,960.58/251,102.25 = 101,386.37/x
  3. Step 3: Cross multiply
    181,960.58x = 251,102.25 × 101,386.37
  4. Step 4: Simplify right side
    181,960.58x = 25,458,346,254.09
  5. Step 5: Solve for x
    x = 25,458,346,254.09/181,960.58
  6. Step 6: Final answer
    x = 139,911.33

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1.5x scale

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.