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Finding the Fourth Proportional to 85,994.11, 118,666.58 and 47,751.33

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Solution

The fourth proportional to 85,994.11, 118,666.58 and 47,751.33 is: 65,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,994.11 : 118,666.58 = 47,751.33 : x
  2. Step 2: Convert to fraction form
    85,994.11/118,666.58 = 47,751.33/x
  3. Step 3: Cross multiply
    85,994.11x = 118,666.58 × 47,751.33
  4. Step 4: Simplify right side
    85,994.11x = 5,666,486,782.79
  5. Step 5: Solve for x
    x = 5,666,486,782.79/85,994.11
  6. Step 6: Final answer
    x = 65,893.90

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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.