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Finding the Fourth Proportional to 86,493.38, 119,360.86 and 46,749.38

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Solution

The fourth proportional to 86,493.38, 119,360.86 and 46,749.38 is: 64,514.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,493.38 : 119,360.86 = 46,749.38 : x
  2. Step 2: Convert to fraction form
    86,493.38/119,360.86 = 46,749.38/x
  3. Step 3: Cross multiply
    86,493.38x = 119,360.86 × 46,749.38
  4. Step 4: Simplify right side
    86,493.38x = 5,580,045,487.59
  5. Step 5: Solve for x
    x = 5,580,045,487.59/86,493.38
  6. Step 6: Final answer
    x = 64,514.14

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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.