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Finding the Fourth Proportional to 84,993.14, 117,290.66 and 47,267.40

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Solution

The fourth proportional to 84,993.14, 117,290.66 and 47,267.40 is: 65,229.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,993.14 : 117,290.66 = 47,267.40 : x
  2. Step 2: Convert to fraction form
    84,993.14/117,290.66 = 47,267.40/x
  3. Step 3: Cross multiply
    84,993.14x = 117,290.66 × 47,267.40
  4. Step 4: Simplify right side
    84,993.14x = 5,544,024,542.48
  5. Step 5: Solve for x
    x = 5,544,024,542.48/84,993.14
  6. Step 6: Final answer
    x = 65,229.08

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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.