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Finding the Fourth Proportional to 68,329.53, 102,533.22 and 54,566.01

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Solution

The fourth proportional to 68,329.53, 102,533.22 and 54,566.01 is: 81,880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,329.53 : 102,533.22 = 54,566.01 : x
  2. Step 2: Convert to fraction form
    68,329.53/102,533.22 = 54,566.01/x
  3. Step 3: Cross multiply
    68,329.53x = 102,533.22 × 54,566.01
  4. Step 4: Simplify right side
    68,329.53x = 5,594,828,707.85
  5. Step 5: Solve for x
    x = 5,594,828,707.85/68,329.53
  6. Step 6: Final answer
    x = 81,880.10

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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.