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Finding the Fourth Proportional to 181,885.79, 251,010 and 101,313.20

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Solution

The fourth proportional to 181,885.79, 251,010 and 101,313.20 is: 139,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,885.79 : 251,010 = 101,313.20 : x
  2. Step 2: Convert to fraction form
    181,885.79/251,010 = 101,313.20/x
  3. Step 3: Cross multiply
    181,885.79x = 251,010 × 101,313.20
  4. Step 4: Simplify right side
    181,885.79x = 25,430,625,076.95
  5. Step 5: Solve for x
    x = 25,430,625,076.95/181,885.79
  6. Step 6: Final answer
    x = 139,816.45

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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.