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Finding the Fourth Proportional to 68,173.56, 102,307.05 and 23,800.31

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Solution

The fourth proportional to 68,173.56, 102,307.05 and 23,800.31 is: 35,716.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,173.56 : 102,307.05 = 23,800.31 : x
  2. Step 2: Convert to fraction form
    68,173.56/102,307.05 = 23,800.31/x
  3. Step 3: Cross multiply
    68,173.56x = 102,307.05 × 23,800.31
  4. Step 4: Simplify right side
    68,173.56x = 2,434,939,386.18
  5. Step 5: Solve for x
    x = 2,434,939,386.18/68,173.56
  6. Step 6: Final answer
    x = 35,716.77

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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.