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Finding the Fourth Proportional to 184,447.20, 276,670.80 and 90,940.80

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Solution

The fourth proportional to 184,447.20, 276,670.80 and 90,940.80 is: 136,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,447.20 : 276,670.80 = 90,940.80 : x
  2. Step 2: Convert to fraction form
    184,447.20/276,670.80 = 90,940.80/x
  3. Step 3: Cross multiply
    184,447.20x = 276,670.80 × 90,940.80
  4. Step 4: Simplify right side
    184,447.20x = 25,160,663,888.64
  5. Step 5: Solve for x
    x = 25,160,663,888.64/184,447.20
  6. Step 6: Final answer
    x = 136,411.20

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1.5x scale

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.