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Finding the Fourth Proportional to 68,256.38, 102,384.84 and 26,126.66

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Solution

The fourth proportional to 68,256.38, 102,384.84 and 26,126.66 is: 39,190.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,256.38 : 102,384.84 = 26,126.66 : x
  2. Step 2: Convert to fraction form
    68,256.38/102,384.84 = 26,126.66/x
  3. Step 3: Cross multiply
    68,256.38x = 102,384.84 × 26,126.66
  4. Step 4: Simplify right side
    68,256.38x = 2,674,973,903.83
  5. Step 5: Solve for x
    x = 2,674,973,903.83/68,256.38
  6. Step 6: Final answer
    x = 39,190.09

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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.