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Finding the Fourth Proportional to 69,206.56, 95,405.52 and 49,300

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Solution

The fourth proportional to 69,206.56, 95,405.52 and 49,300 is: 67,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,206.56 : 95,405.52 = 49,300 : x
  2. Step 2: Convert to fraction form
    69,206.56/95,405.52 = 49,300/x
  3. Step 3: Cross multiply
    69,206.56x = 95,405.52 × 49,300
  4. Step 4: Simplify right side
    69,206.56x = 4,703,492,136
  5. Step 5: Solve for x
    x = 4,703,492,136/69,206.56
  6. Step 6: Final answer
    x = 67,963.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.