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Finding the Fourth Proportional to 184,487.60, 276,731.40 and 100,288.10

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Solution

The fourth proportional to 184,487.60, 276,731.40 and 100,288.10 is: 150,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,487.60 : 276,731.40 = 100,288.10 : x
  2. Step 2: Convert to fraction form
    184,487.60/276,731.40 = 100,288.10/x
  3. Step 3: Cross multiply
    184,487.60x = 276,731.40 × 100,288.10
  4. Step 4: Simplify right side
    184,487.60x = 27,752,866,316.34
  5. Step 5: Solve for x
    x = 27,752,866,316.34/184,487.60
  6. Step 6: Final answer
    x = 150,432.15

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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.