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Finding the Fourth Proportional to 133,640.60, 184,424.22 and 74,024.60

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Solution

The fourth proportional to 133,640.60, 184,424.22 and 74,024.60 is: 102,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,640.60 : 184,424.22 = 74,024.60 : x
  2. Step 2: Convert to fraction form
    133,640.60/184,424.22 = 74,024.60/x
  3. Step 3: Cross multiply
    133,640.60x = 184,424.22 × 74,024.60
  4. Step 4: Simplify right side
    133,640.60x = 13,651,929,115.81
  5. Step 5: Solve for x
    x = 13,651,929,115.81/133,640.60
  6. Step 6: Final answer
    x = 102,154.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.