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Finding the Fourth Proportional to 184,259.67, 276,214.55 and 72,011.90

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Solution

The fourth proportional to 184,259.67, 276,214.55 and 72,011.90 is: 107,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,259.67 : 276,214.55 = 72,011.90 : x
  2. Step 2: Convert to fraction form
    184,259.67/276,214.55 = 72,011.90/x
  3. Step 3: Cross multiply
    184,259.67x = 276,214.55 × 72,011.90
  4. Step 4: Simplify right side
    184,259.67x = 19,890,732,812.01
  5. Step 5: Solve for x
    x = 19,890,732,812.01/184,259.67
  6. Step 6: Final answer
    x = 107,949.47

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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.