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Finding the Fourth Proportional to 85,950.54, 118,609.87 and 47,707.84

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Solution

The fourth proportional to 85,950.54, 118,609.87 and 47,707.84 is: 65,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,950.54 : 118,609.87 = 47,707.84 : x
  2. Step 2: Convert to fraction form
    85,950.54/118,609.87 = 47,707.84/x
  3. Step 3: Cross multiply
    85,950.54x = 118,609.87 × 47,707.84
  4. Step 4: Simplify right side
    85,950.54x = 5,658,620,700.38
  5. Step 5: Solve for x
    x = 5,658,620,700.38/85,950.54
  6. Step 6: Final answer
    x = 65,835.78

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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.