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Finding the Fourth Proportional to 104,719.44, 157,079.60 and 38,159.60

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Solution

The fourth proportional to 104,719.44, 157,079.60 and 38,159.60 is: 57,239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,719.44 : 157,079.60 = 38,159.60 : x
  2. Step 2: Convert to fraction form
    104,719.44/157,079.60 = 38,159.60/x
  3. Step 3: Cross multiply
    104,719.44x = 157,079.60 × 38,159.60
  4. Step 4: Simplify right side
    104,719.44x = 5,994,094,704.16
  5. Step 5: Solve for x
    x = 5,994,094,704.16/104,719.44
  6. Step 6: Final answer
    x = 57,239.56

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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.