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Finding the Fourth Proportional to 193,194.60, 289,810.36 and 60,039.12

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Solution

The fourth proportional to 193,194.60, 289,810.36 and 60,039.12 is: 90,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,194.60 : 289,810.36 = 60,039.12 : x
  2. Step 2: Convert to fraction form
    193,194.60/289,810.36 = 60,039.12/x
  3. Step 3: Cross multiply
    193,194.60x = 289,810.36 × 60,039.12
  4. Step 4: Simplify right side
    193,194.60x = 17,399,958,981.28
  5. Step 5: Solve for x
    x = 17,399,958,981.28/193,194.60
  6. Step 6: Final answer
    x = 90,064.42

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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.