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Finding the Fourth Proportional to 86,058.54, 118,760.04 and 47,296.80

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Solution

The fourth proportional to 86,058.54, 118,760.04 and 47,296.80 is: 65,269.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,058.54 : 118,760.04 = 47,296.80 : x
  2. Step 2: Convert to fraction form
    86,058.54/118,760.04 = 47,296.80/x
  3. Step 3: Cross multiply
    86,058.54x = 118,760.04 × 47,296.80
  4. Step 4: Simplify right side
    86,058.54x = 5,616,969,859.87
  5. Step 5: Solve for x
    x = 5,616,969,859.87/86,058.54
  6. Step 6: Final answer
    x = 65,269.17

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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.