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Finding the Fourth Proportional to 69,376.01, 104,045.79 and 29,924.36

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Solution

The fourth proportional to 69,376.01, 104,045.79 and 29,924.36 is: 44,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,376.01 : 104,045.79 = 29,924.36 : x
  2. Step 2: Convert to fraction form
    69,376.01/104,045.79 = 29,924.36/x
  3. Step 3: Cross multiply
    69,376.01x = 104,045.79 × 29,924.36
  4. Step 4: Simplify right side
    69,376.01x = 3,113,503,156.22
  5. Step 5: Solve for x
    x = 3,113,503,156.22/69,376.01
  6. Step 6: Final answer
    x = 44,878.67

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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.