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Finding the Fourth Proportional to 181,201.77, 250,070.01 and 100,629.27

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Solution

The fourth proportional to 181,201.77, 250,070.01 and 100,629.27 is: 138,874.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,201.77 : 250,070.01 = 100,629.27 : x
  2. Step 2: Convert to fraction form
    181,201.77/250,070.01 = 100,629.27/x
  3. Step 3: Cross multiply
    181,201.77x = 250,070.01 × 100,629.27
  4. Step 4: Simplify right side
    181,201.77x = 25,164,362,555.19
  5. Step 5: Solve for x
    x = 25,164,362,555.19/181,201.77
  6. Step 6: Final answer
    x = 138,874.82

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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.