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Finding the Fourth Proportional to 69,676.16, 104,648.70 and 59,703.44

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Solution

The fourth proportional to 69,676.16, 104,648.70 and 59,703.44 is: 89,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,676.16 : 104,648.70 = 59,703.44 : x
  2. Step 2: Convert to fraction form
    69,676.16/104,648.70 = 59,703.44/x
  3. Step 3: Cross multiply
    69,676.16x = 104,648.70 × 59,703.44
  4. Step 4: Simplify right side
    69,676.16x = 6,247,887,381.53
  5. Step 5: Solve for x
    x = 6,247,887,381.53/69,676.16
  6. Step 6: Final answer
    x = 89,670.37

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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.