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Finding the Fourth Proportional to 164,815.65, 247,268.03 and 70,049.70

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Solution

The fourth proportional to 164,815.65, 247,268.03 and 70,049.70 is: 105,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,815.65 : 247,268.03 = 70,049.70 : x
  2. Step 2: Convert to fraction form
    164,815.65/247,268.03 = 70,049.70/x
  3. Step 3: Cross multiply
    164,815.65x = 247,268.03 × 70,049.70
  4. Step 4: Simplify right side
    164,815.65x = 17,321,050,970.84
  5. Step 5: Solve for x
    x = 17,321,050,970.84/164,815.65
  6. Step 6: Final answer
    x = 105,093.48

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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.