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Finding the Fourth Proportional to 230,194.08, 317,683.80 and 139,553.88

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Solution

The fourth proportional to 230,194.08, 317,683.80 and 139,553.88 is: 192,594.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,194.08 : 317,683.80 = 139,553.88 : x
  2. Step 2: Convert to fraction form
    230,194.08/317,683.80 = 139,553.88/x
  3. Step 3: Cross multiply
    230,194.08x = 317,683.80 × 139,553.88
  4. Step 4: Simplify right side
    230,194.08x = 44,334,006,903.14
  5. Step 5: Solve for x
    x = 44,334,006,903.14/230,194.08
  6. Step 6: Final answer
    x = 192,594.04

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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.