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Finding the Fourth Proportional to 122,923.60, 184,443.90 and 44,045.80

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Solution

The fourth proportional to 122,923.60, 184,443.90 and 44,045.80 is: 66,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,923.60 : 184,443.90 = 44,045.80 : x
  2. Step 2: Convert to fraction form
    122,923.60/184,443.90 = 44,045.80/x
  3. Step 3: Cross multiply
    122,923.60x = 184,443.90 × 44,045.80
  4. Step 4: Simplify right side
    122,923.60x = 8,123,979,130.62
  5. Step 5: Solve for x
    x = 8,123,979,130.62/122,923.60
  6. Step 6: Final answer
    x = 66,089.66

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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.