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Finding the Fourth Proportional to 181,967.40, 251,133.48 and 101,408.04

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Solution

The fourth proportional to 181,967.40, 251,133.48 and 101,408.04 is: 139,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,967.40 : 251,133.48 = 101,408.04 : x
  2. Step 2: Convert to fraction form
    181,967.40/251,133.48 = 101,408.04/x
  3. Step 3: Cross multiply
    181,967.40x = 251,133.48 × 101,408.04
  4. Step 4: Simplify right side
    181,967.40x = 25,466,953,985.18
  5. Step 5: Solve for x
    x = 25,466,953,985.18/181,967.40
  6. Step 6: Final answer
    x = 139,953.39

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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.