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Finding the Fourth Proportional to 133,607.67, 184,289.88 and 85,921.35

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Solution

The fourth proportional to 133,607.67, 184,289.88 and 85,921.35 is: 118,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,607.67 : 184,289.88 = 85,921.35 : x
  2. Step 2: Convert to fraction form
    133,607.67/184,289.88 = 85,921.35/x
  3. Step 3: Cross multiply
    133,607.67x = 184,289.88 × 85,921.35
  4. Step 4: Simplify right side
    133,607.67x = 15,834,435,280.94
  5. Step 5: Solve for x
    x = 15,834,435,280.94/133,607.67
  6. Step 6: Final answer
    x = 118,514.42

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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.