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Finding the Fourth Proportional to 165,229.66, 247,857.62 and 70,460.65

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Solution

The fourth proportional to 165,229.66, 247,857.62 and 70,460.65 is: 105,696.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,229.66 : 247,857.62 = 70,460.65 : x
  2. Step 2: Convert to fraction form
    165,229.66/247,857.62 = 70,460.65/x
  3. Step 3: Cross multiply
    165,229.66x = 247,857.62 × 70,460.65
  4. Step 4: Simplify right side
    165,229.66x = 17,464,209,012.65
  5. Step 5: Solve for x
    x = 17,464,209,012.65/165,229.66
  6. Step 6: Final answer
    x = 105,696.57

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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.