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Finding the Fourth Proportional to 184,385.44, 276,685.72 and 77,762.84

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Solution

The fourth proportional to 184,385.44, 276,685.72 and 77,762.84 is: 116,689.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,385.44 : 276,685.72 = 77,762.84 : x
  2. Step 2: Convert to fraction form
    184,385.44/276,685.72 = 77,762.84/x
  3. Step 3: Cross multiply
    184,385.44x = 276,685.72 × 77,762.84
  4. Step 4: Simplify right side
    184,385.44x = 21,515,867,374.64
  5. Step 5: Solve for x
    x = 21,515,867,374.64/184,385.44
  6. Step 6: Final answer
    x = 116,689.62

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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.