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Finding the Fourth Proportional to 69,690.66, 104,670.48 and 59,717.94

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Solution

The fourth proportional to 69,690.66, 104,670.48 and 59,717.94 is: 89,692.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,690.66 : 104,670.48 = 59,717.94 : x
  2. Step 2: Convert to fraction form
    69,690.66/104,670.48 = 59,717.94/x
  3. Step 3: Cross multiply
    69,690.66x = 104,670.48 × 59,717.94
  4. Step 4: Simplify right side
    69,690.66x = 6,250,705,444.41
  5. Step 5: Solve for x
    x = 6,250,705,444.41/69,690.66
  6. Step 6: Final answer
    x = 89,692.15

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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.