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Finding the Fourth Proportional to 117,270.30, 161,832.60 and 63,556.62

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Solution

The fourth proportional to 117,270.30, 161,832.60 and 63,556.62 is: 87,707.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,270.30 : 161,832.60 = 63,556.62 : x
  2. Step 2: Convert to fraction form
    117,270.30/161,832.60 = 63,556.62/x
  3. Step 3: Cross multiply
    117,270.30x = 161,832.60 × 63,556.62
  4. Step 4: Simplify right side
    117,270.30x = 10,285,533,061.81
  5. Step 5: Solve for x
    x = 10,285,533,061.81/117,270.30
  6. Step 6: Final answer
    x = 87,707.91

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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.