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Finding the Fourth Proportional to 173,846.97, 239,946.26 and 105,886.35

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Solution

The fourth proportional to 173,846.97, 239,946.26 and 105,886.35 is: 146,145.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,846.97 : 239,946.26 = 105,886.35 : x
  2. Step 2: Convert to fraction form
    173,846.97/239,946.26 = 105,886.35/x
  3. Step 3: Cross multiply
    173,846.97x = 239,946.26 × 105,886.35
  4. Step 4: Simplify right side
    173,846.97x = 25,407,033,138.12
  5. Step 5: Solve for x
    x = 25,407,033,138.12/173,846.97
  6. Step 6: Final answer
    x = 146,145.96

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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.