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Finding the Fourth Proportional to 119,093.52, 164,353.68 and 65,380.80

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Solution

The fourth proportional to 119,093.52, 164,353.68 and 65,380.80 is: 90,228.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,093.52 : 164,353.68 = 65,380.80 : x
  2. Step 2: Convert to fraction form
    119,093.52/164,353.68 = 65,380.80/x
  3. Step 3: Cross multiply
    119,093.52x = 164,353.68 × 65,380.80
  4. Step 4: Simplify right side
    119,093.52x = 10,745,575,081.34
  5. Step 5: Solve for x
    x = 10,745,575,081.34/119,093.52
  6. Step 6: Final answer
    x = 90,228.04

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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.