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Finding the Fourth Proportional to 164,343.78, 226,789.80 and 92,730.47

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Solution

The fourth proportional to 164,343.78, 226,789.80 and 92,730.47 is: 127,965.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,343.78 : 226,789.80 = 92,730.47 : x
  2. Step 2: Convert to fraction form
    164,343.78/226,789.80 = 92,730.47/x
  3. Step 3: Cross multiply
    164,343.78x = 226,789.80 × 92,730.47
  4. Step 4: Simplify right side
    164,343.78x = 21,030,323,611.26
  5. Step 5: Solve for x
    x = 21,030,323,611.26/164,343.78
  6. Step 6: Final answer
    x = 127,965.44

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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.