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Finding the Fourth Proportional to 247,233.40, 370,850.10 and 122,817.40

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Solution

The fourth proportional to 247,233.40, 370,850.10 and 122,817.40 is: 184,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,233.40 : 370,850.10 = 122,817.40 : x
  2. Step 2: Convert to fraction form
    247,233.40/370,850.10 = 122,817.40/x
  3. Step 3: Cross multiply
    247,233.40x = 370,850.10 × 122,817.40
  4. Step 4: Simplify right side
    247,233.40x = 45,546,845,071.74
  5. Step 5: Solve for x
    x = 45,546,845,071.74/247,233.40
  6. Step 6: Final answer
    x = 184,226.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.