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Finding the Fourth Proportional to 184,258.17, 276,212.30 and 72,010.40

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Solution

The fourth proportional to 184,258.17, 276,212.30 and 72,010.40 is: 107,947.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,258.17 : 276,212.30 = 72,010.40 : x
  2. Step 2: Convert to fraction form
    184,258.17/276,212.30 = 72,010.40/x
  3. Step 3: Cross multiply
    184,258.17x = 276,212.30 × 72,010.40
  4. Step 4: Simplify right side
    184,258.17x = 19,890,156,466.81
  5. Step 5: Solve for x
    x = 19,890,156,466.81/184,258.17
  6. Step 6: Final answer
    x = 107,947.22

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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.