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Finding the Fourth Proportional to 86,044.60, 118,708.36 and 63,437.32

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Solution

The fourth proportional to 86,044.60, 118,708.36 and 63,437.32 is: 87,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,044.60 : 118,708.36 = 63,437.32 : x
  2. Step 2: Convert to fraction form
    86,044.60/118,708.36 = 63,437.32/x
  3. Step 3: Cross multiply
    86,044.60x = 118,708.36 × 63,437.32
  4. Step 4: Simplify right side
    86,044.60x = 7,530,540,220.00
  5. Step 5: Solve for x
    x = 7,530,540,220.00/86,044.60
  6. Step 6: Final answer
    x = 87,519.03

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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.