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Finding the Fourth Proportional to 69,855.88, 104,783.86 and 23,108.76

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Solution

The fourth proportional to 69,855.88, 104,783.86 and 23,108.76 is: 34,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,855.88 : 104,783.86 = 23,108.76 : x
  2. Step 2: Convert to fraction form
    69,855.88/104,783.86 = 23,108.76/x
  3. Step 3: Cross multiply
    69,855.88x = 104,783.86 × 23,108.76
  4. Step 4: Simplify right side
    69,855.88x = 2,421,424,752.88
  5. Step 5: Solve for x
    x = 2,421,424,752.88/69,855.88
  6. Step 6: Final answer
    x = 34,663.15

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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.