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Finding the Fourth Proportional to 117,794.75, 162,556.76 and 64,802.75

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Solution

The fourth proportional to 117,794.75, 162,556.76 and 64,802.75 is: 89,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,794.75 : 162,556.76 = 64,802.75 : x
  2. Step 2: Convert to fraction form
    117,794.75/162,556.76 = 64,802.75/x
  3. Step 3: Cross multiply
    117,794.75x = 162,556.76 × 64,802.75
  4. Step 4: Simplify right side
    117,794.75x = 10,534,125,079.09
  5. Step 5: Solve for x
    x = 10,534,125,079.09/117,794.75
  6. Step 6: Final answer
    x = 89,427.80

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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.