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Finding the Fourth Proportional to 133,455.94, 184,171.53 and 73,031.94

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Solution

The fourth proportional to 133,455.94, 184,171.53 and 73,031.94 is: 100,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,455.94 : 184,171.53 = 73,031.94 : x
  2. Step 2: Convert to fraction form
    133,455.94/184,171.53 = 73,031.94/x
  3. Step 3: Cross multiply
    133,455.94x = 184,171.53 × 73,031.94
  4. Step 4: Simplify right side
    133,455.94x = 13,450,404,128.67
  5. Step 5: Solve for x
    x = 13,450,404,128.67/133,455.94
  6. Step 6: Final answer
    x = 100,785.35

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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.