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Finding the Fourth Proportional to 144,794.81, 217,257.84 and 69,901.00

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Solution

The fourth proportional to 144,794.81, 217,257.84 and 69,901.00 is: 104,883.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,794.81 : 217,257.84 = 69,901.00 : x
  2. Step 2: Convert to fraction form
    144,794.81/217,257.84 = 69,901.00/x
  3. Step 3: Cross multiply
    144,794.81x = 217,257.84 × 69,901.00
  4. Step 4: Simplify right side
    144,794.81x = 15,186,539,730.70
  5. Step 5: Solve for x
    x = 15,186,539,730.70/144,794.81
  6. Step 6: Final answer
    x = 104,883.18

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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.