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Finding the Fourth Proportional to 237,230.60, 355,663.65 and 118,986.80

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Solution

The fourth proportional to 237,230.60, 355,663.65 and 118,986.80 is: 178,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,230.60 : 355,663.65 = 118,986.80 : x
  2. Step 2: Convert to fraction form
    237,230.60/355,663.65 = 118,986.80/x
  3. Step 3: Cross multiply
    237,230.60x = 355,663.65 × 118,986.80
  4. Step 4: Simplify right side
    237,230.60x = 42,319,279,589.82
  5. Step 5: Solve for x
    x = 42,319,279,589.82/237,230.60
  6. Step 6: Final answer
    x = 178,388.79

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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.