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Finding the Fourth Proportional to 161,147.28, 241,698.60 and 42,828.24

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Solution

The fourth proportional to 161,147.28, 241,698.60 and 42,828.24 is: 64,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,147.28 : 241,698.60 = 42,828.24 : x
  2. Step 2: Convert to fraction form
    161,147.28/241,698.60 = 42,828.24/x
  3. Step 3: Cross multiply
    161,147.28x = 241,698.60 × 42,828.24
  4. Step 4: Simplify right side
    161,147.28x = 10,351,525,648.46
  5. Step 5: Solve for x
    x = 10,351,525,648.46/161,147.28
  6. Step 6: Final answer
    x = 64,236.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.