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Finding the Fourth Proportional to 133,620.60, 184,389.30 and 73,188.12

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Solution

The fourth proportional to 133,620.60, 184,389.30 and 73,188.12 is: 100,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,620.60 : 184,389.30 = 73,188.12 : x
  2. Step 2: Convert to fraction form
    133,620.60/184,389.30 = 73,188.12/x
  3. Step 3: Cross multiply
    133,620.60x = 184,389.30 × 73,188.12
  4. Step 4: Simplify right side
    133,620.60x = 13,495,106,215.12
  5. Step 5: Solve for x
    x = 13,495,106,215.12/133,620.60
  6. Step 6: Final answer
    x = 100,995.70

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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.