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Finding the Fourth Proportional to 122,955.60, 184,174.20 and 109,822.80

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Solution

The fourth proportional to 122,955.60, 184,174.20 and 109,822.80 is: 164,502.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,955.60 : 184,174.20 = 109,822.80 : x
  2. Step 2: Convert to fraction form
    122,955.60/184,174.20 = 109,822.80/x
  3. Step 3: Cross multiply
    122,955.60x = 184,174.20 × 109,822.80
  4. Step 4: Simplify right side
    122,955.60x = 20,226,526,331.76
  5. Step 5: Solve for x
    x = 20,226,526,331.76/122,955.60
  6. Step 6: Final answer
    x = 164,502.68

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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.