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Finding the Fourth Proportional to 118,941.71, 178,412.63 and 35,835.71

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Solution

The fourth proportional to 118,941.71, 178,412.63 and 35,835.71 is: 53,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,941.71 : 178,412.63 = 35,835.71 : x
  2. Step 2: Convert to fraction form
    118,941.71/178,412.63 = 35,835.71/x
  3. Step 3: Cross multiply
    118,941.71x = 178,412.63 × 35,835.71
  4. Step 4: Simplify right side
    118,941.71x = 6,393,542,197.78
  5. Step 5: Solve for x
    x = 6,393,542,197.78/118,941.71
  6. Step 6: Final answer
    x = 53,753.58

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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.