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Finding the Fourth Proportional to 158,619, 237,917.37 and 74,397.63

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Solution

The fourth proportional to 158,619, 237,917.37 and 74,397.63 is: 111,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,619 : 237,917.37 = 74,397.63 : x
  2. Step 2: Convert to fraction form
    158,619/237,917.37 = 74,397.63/x
  3. Step 3: Cross multiply
    158,619x = 237,917.37 × 74,397.63
  4. Step 4: Simplify right side
    158,619x = 17,700,488,463.83
  5. Step 5: Solve for x
    x = 17,700,488,463.83/158,619
  6. Step 6: Final answer
    x = 111,591.22

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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.