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Finding the Fourth Proportional to 144,488.56, 216,794.85 and 55,804.34

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Solution

The fourth proportional to 144,488.56, 216,794.85 and 55,804.34 is: 83,730.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,488.56 : 216,794.85 = 55,804.34 : x
  2. Step 2: Convert to fraction form
    144,488.56/216,794.85 = 55,804.34/x
  3. Step 3: Cross multiply
    144,488.56x = 216,794.85 × 55,804.34
  4. Step 4: Simplify right side
    144,488.56x = 12,098,093,519.65
  5. Step 5: Solve for x
    x = 12,098,093,519.65/144,488.56
  6. Step 6: Final answer
    x = 83,730.46

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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.