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Finding the Fourth Proportional to 230,595.34, 318,207.86 and 133,791.69

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Solution

The fourth proportional to 230,595.34, 318,207.86 and 133,791.69 is: 184,624.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,595.34 : 318,207.86 = 133,791.69 : x
  2. Step 2: Convert to fraction form
    230,595.34/318,207.86 = 133,791.69/x
  3. Step 3: Cross multiply
    230,595.34x = 318,207.86 × 133,791.69
  4. Step 4: Simplify right side
    230,595.34x = 42,573,567,790.08
  5. Step 5: Solve for x
    x = 42,573,567,790.08/230,595.34
  6. Step 6: Final answer
    x = 184,624.58

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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.