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Finding the Fourth Proportional to 69,108.66, 103,554.99 and 48,089.77

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Solution

The fourth proportional to 69,108.66, 103,554.99 and 48,089.77 is: 72,059.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,108.66 : 103,554.99 = 48,089.77 : x
  2. Step 2: Convert to fraction form
    69,108.66/103,554.99 = 48,089.77/x
  3. Step 3: Cross multiply
    69,108.66x = 103,554.99 × 48,089.77
  4. Step 4: Simplify right side
    69,108.66x = 4,979,935,392.56
  5. Step 5: Solve for x
    x = 4,979,935,392.56/69,108.66
  6. Step 6: Final answer
    x = 72,059.50

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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.