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Finding the Fourth Proportional to 193,684.60, 290,429.70 and 88,384.60

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Solution

The fourth proportional to 193,684.60, 290,429.70 and 88,384.60 is: 132,532.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,684.60 : 290,429.70 = 88,384.60 : x
  2. Step 2: Convert to fraction form
    193,684.60/290,429.70 = 88,384.60/x
  3. Step 3: Cross multiply
    193,684.60x = 290,429.70 × 88,384.60
  4. Step 4: Simplify right side
    193,684.60x = 25,669,512,862.62
  5. Step 5: Solve for x
    x = 25,669,512,862.62/193,684.60
  6. Step 6: Final answer
    x = 132,532.54

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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.