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Finding the Fourth Proportional to 237,602.40, 355,906.80 and 111,350.40

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Solution

The fourth proportional to 237,602.40, 355,906.80 and 111,350.40 is: 166,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,602.40 : 355,906.80 = 111,350.40 : x
  2. Step 2: Convert to fraction form
    237,602.40/355,906.80 = 111,350.40/x
  3. Step 3: Cross multiply
    237,602.40x = 355,906.80 × 111,350.40
  4. Step 4: Simplify right side
    237,602.40x = 39,630,364,542.72
  5. Step 5: Solve for x
    x = 39,630,364,542.72/237,602.40
  6. Step 6: Final answer
    x = 166,792.78

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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.