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Finding the Fourth Proportional to 133,537.60, 184,281.90 and 73,108.60

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Solution

The fourth proportional to 133,537.60, 184,281.90 and 73,108.60 is: 100,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,537.60 : 184,281.90 = 73,108.60 : x
  2. Step 2: Convert to fraction form
    133,537.60/184,281.90 = 73,108.60/x
  3. Step 3: Cross multiply
    133,537.60x = 184,281.90 × 73,108.60
  4. Step 4: Simplify right side
    133,537.60x = 13,472,591,714.34
  5. Step 5: Solve for x
    x = 13,472,591,714.34/133,537.60
  6. Step 6: Final answer
    x = 100,889.87

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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.