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Finding the Fourth Proportional to 181,894.10, 251,018.22 and 101,322.90

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Solution

The fourth proportional to 181,894.10, 251,018.22 and 101,322.90 is: 139,828.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,894.10 : 251,018.22 = 101,322.90 : x
  2. Step 2: Convert to fraction form
    181,894.10/251,018.22 = 101,322.90/x
  3. Step 3: Cross multiply
    181,894.10x = 251,018.22 × 101,322.90
  4. Step 4: Simplify right side
    181,894.10x = 25,433,894,003.24
  5. Step 5: Solve for x
    x = 25,433,894,003.24/181,894.10
  6. Step 6: Final answer
    x = 139,828.04

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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.