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Finding the Fourth Proportional to 164,420.32, 226,889.32 and 92,790.60

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Solution

The fourth proportional to 164,420.32, 226,889.32 and 92,790.60 is: 128,044.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,420.32 : 226,889.32 = 92,790.60 : x
  2. Step 2: Convert to fraction form
    164,420.32/226,889.32 = 92,790.60/x
  3. Step 3: Cross multiply
    164,420.32x = 226,889.32 × 92,790.60
  4. Step 4: Simplify right side
    164,420.32x = 21,053,196,136.39
  5. Step 5: Solve for x
    x = 21,053,196,136.39/164,420.32
  6. Step 6: Final answer
    x = 128,044.98

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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.