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Finding the Fourth Proportional to 227,862.60, 341,793.90 and 139,216.20

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Solution

The fourth proportional to 227,862.60, 341,793.90 and 139,216.20 is: 208,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,862.60 : 341,793.90 = 139,216.20 : x
  2. Step 2: Convert to fraction form
    227,862.60/341,793.90 = 139,216.20/x
  3. Step 3: Cross multiply
    227,862.60x = 341,793.90 × 139,216.20
  4. Step 4: Simplify right side
    227,862.60x = 47,583,247,941.18
  5. Step 5: Solve for x
    x = 47,583,247,941.18/227,862.60
  6. Step 6: Final answer
    x = 208,824.30

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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.