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Finding the Fourth Proportional to 68,955.77, 103,452.11 and 37,358.39

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Solution

The fourth proportional to 68,955.77, 103,452.11 and 37,358.39 is: 56,047.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,955.77 : 103,452.11 = 37,358.39 : x
  2. Step 2: Convert to fraction form
    68,955.77/103,452.11 = 37,358.39/x
  3. Step 3: Cross multiply
    68,955.77x = 103,452.11 × 37,358.39
  4. Step 4: Simplify right side
    68,955.77x = 3,864,803,567.65
  5. Step 5: Solve for x
    x = 3,864,803,567.65/68,955.77
  6. Step 6: Final answer
    x = 56,047.58

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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.