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Finding the Fourth Proportional to 86,493.62, 119,360.85 and 46,749.62

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Solution

The fourth proportional to 86,493.62, 119,360.85 and 46,749.62 is: 64,514.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,493.62 : 119,360.85 = 46,749.62 : x
  2. Step 2: Convert to fraction form
    86,493.62/119,360.85 = 46,749.62/x
  3. Step 3: Cross multiply
    86,493.62x = 119,360.85 × 46,749.62
  4. Step 4: Simplify right side
    86,493.62x = 5,580,074,380.38
  5. Step 5: Solve for x
    x = 5,580,074,380.38/86,493.62
  6. Step 6: Final answer
    x = 64,514.29

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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.