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Finding the Fourth Proportional to 210,683.92, 290,672.58 and 119,975.58

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Solution

The fourth proportional to 210,683.92, 290,672.58 and 119,975.58 is: 165,525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,683.92 : 290,672.58 = 119,975.58 : x
  2. Step 2: Convert to fraction form
    210,683.92/290,672.58 = 119,975.58/x
  3. Step 3: Cross multiply
    210,683.92x = 290,672.58 × 119,975.58
  4. Step 4: Simplify right side
    210,683.92x = 34,873,611,375.60
  5. Step 5: Solve for x
    x = 34,873,611,375.60/210,683.92
  6. Step 6: Final answer
    x = 165,525.74

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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.