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Finding the Fourth Proportional to 171,043.92, 236,124.75 and 107,416.80

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Solution

The fourth proportional to 171,043.92, 236,124.75 and 107,416.80 is: 148,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,043.92 : 236,124.75 = 107,416.80 : x
  2. Step 2: Convert to fraction form
    171,043.92/236,124.75 = 107,416.80/x
  3. Step 3: Cross multiply
    171,043.92x = 236,124.75 × 107,416.80
  4. Step 4: Simplify right side
    171,043.92x = 25,363,765,045.80
  5. Step 5: Solve for x
    x = 25,363,765,045.80/171,043.92
  6. Step 6: Final answer
    x = 148,288.02

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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.