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Finding the Fourth Proportional to 120,970.08, 166,929.24 and 67,251.84

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Solution

The fourth proportional to 120,970.08, 166,929.24 and 67,251.84 is: 92,802.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,970.08 : 166,929.24 = 67,251.84 : x
  2. Step 2: Convert to fraction form
    120,970.08/166,929.24 = 67,251.84/x
  3. Step 3: Cross multiply
    120,970.08x = 166,929.24 × 67,251.84
  4. Step 4: Simplify right side
    120,970.08x = 11,226,298,539.80
  5. Step 5: Solve for x
    x = 11,226,298,539.80/120,970.08
  6. Step 6: Final answer
    x = 92,802.27

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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.