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Finding the Fourth Proportional to 105,881.63, 158,826.76 and 26,997.91

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Solution

The fourth proportional to 105,881.63, 158,826.76 and 26,997.91 is: 40,497.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,881.63 : 158,826.76 = 26,997.91 : x
  2. Step 2: Convert to fraction form
    105,881.63/158,826.76 = 26,997.91/x
  3. Step 3: Cross multiply
    105,881.63x = 158,826.76 × 26,997.91
  4. Step 4: Simplify right side
    105,881.63x = 4,287,990,107.51
  5. Step 5: Solve for x
    x = 4,287,990,107.51/105,881.63
  6. Step 6: Final answer
    x = 40,497.96

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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.