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Finding the Fourth Proportional to 225,023.44, 310,522.44 and 124,419.28

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Solution

The fourth proportional to 225,023.44, 310,522.44 and 124,419.28 is: 171,693.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,023.44 : 310,522.44 = 124,419.28 : x
  2. Step 2: Convert to fraction form
    225,023.44/310,522.44 = 124,419.28/x
  3. Step 3: Cross multiply
    225,023.44x = 310,522.44 × 124,419.28
  4. Step 4: Simplify right side
    225,023.44x = 38,634,978,408.64
  5. Step 5: Solve for x
    x = 38,634,978,408.64/225,023.44
  6. Step 6: Final answer
    x = 171,693.13

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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.