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Finding the Fourth Proportional to 162,069.68, 243,104.52 and 43,740.83

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Solution

The fourth proportional to 162,069.68, 243,104.52 and 43,740.83 is: 65,611.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,069.68 : 243,104.52 = 43,740.83 : x
  2. Step 2: Convert to fraction form
    162,069.68/243,104.52 = 43,740.83/x
  3. Step 3: Cross multiply
    162,069.68x = 243,104.52 × 43,740.83
  4. Step 4: Simplify right side
    162,069.68x = 10,633,592,266.03
  5. Step 5: Solve for x
    x = 10,633,592,266.03/162,069.68
  6. Step 6: Final answer
    x = 65,611.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.