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Finding the Fourth Proportional to 171,036.59, 236,093.90 and 103,057.34

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Solution

The fourth proportional to 171,036.59, 236,093.90 and 103,057.34 is: 142,257.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,036.59 : 236,093.90 = 103,057.34 : x
  2. Step 2: Convert to fraction form
    171,036.59/236,093.90 = 103,057.34/x
  3. Step 3: Cross multiply
    171,036.59x = 236,093.90 × 103,057.34
  4. Step 4: Simplify right side
    171,036.59x = 24,331,207,628.47
  5. Step 5: Solve for x
    x = 24,331,207,628.47/171,036.59
  6. Step 6: Final answer
    x = 142,257.33

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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.