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Finding the Fourth Proportional to 184,269.40, 276,549.90 and 72,003.40

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Solution

The fourth proportional to 184,269.40, 276,549.90 and 72,003.40 is: 108,062.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,269.40 : 276,549.90 = 72,003.40 : x
  2. Step 2: Convert to fraction form
    184,269.40/276,549.90 = 72,003.40/x
  3. Step 3: Cross multiply
    184,269.40x = 276,549.90 × 72,003.40
  4. Step 4: Simplify right side
    184,269.40x = 19,912,533,069.66
  5. Step 5: Solve for x
    x = 19,912,533,069.66/184,269.40
  6. Step 6: Final answer
    x = 108,062.07

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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.