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Finding the Fourth Proportional to 302,163.51, 416,986.48 and 166,211.39

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Solution

The fourth proportional to 302,163.51, 416,986.48 and 166,211.39 is: 229,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,163.51 : 416,986.48 = 166,211.39 : x
  2. Step 2: Convert to fraction form
    302,163.51/416,986.48 = 166,211.39/x
  3. Step 3: Cross multiply
    302,163.51x = 416,986.48 × 166,211.39
  4. Step 4: Simplify right side
    302,163.51x = 69,307,903,702.24
  5. Step 5: Solve for x
    x = 69,307,903,702.24/302,163.51
  6. Step 6: Final answer
    x = 229,372.18

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1.5x scale

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.