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Finding the Fourth Proportional to 237,230.10, 355,662.90 and 118,986.30

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Solution

The fourth proportional to 237,230.10, 355,662.90 and 118,986.30 is: 178,388.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,230.10 : 355,662.90 = 118,986.30 : x
  2. Step 2: Convert to fraction form
    237,230.10/355,662.90 = 118,986.30/x
  3. Step 3: Cross multiply
    237,230.10x = 355,662.90 × 118,986.30
  4. Step 4: Simplify right side
    237,230.10x = 42,319,012,518.27
  5. Step 5: Solve for x
    x = 42,319,012,518.27/237,230.10
  6. Step 6: Final answer
    x = 178,388.04

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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.