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Finding the Fourth Proportional to 100,826.64, 151,228.43 and 26,960.40

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Solution

The fourth proportional to 100,826.64, 151,228.43 and 26,960.40 is: 40,437.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,826.64 : 151,228.43 = 26,960.40 : x
  2. Step 2: Convert to fraction form
    100,826.64/151,228.43 = 26,960.40/x
  3. Step 3: Cross multiply
    100,826.64x = 151,228.43 × 26,960.40
  4. Step 4: Simplify right side
    100,826.64x = 4,077,178,275.43
  5. Step 5: Solve for x
    x = 4,077,178,275.43/100,826.64
  6. Step 6: Final answer
    x = 40,437.51

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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.