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Finding the Fourth Proportional to 193,039.20, 289,580.40 and 59,918.40

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Solution

The fourth proportional to 193,039.20, 289,580.40 and 59,918.40 is: 89,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,039.20 : 289,580.40 = 59,918.40 : x
  2. Step 2: Convert to fraction form
    193,039.20/289,580.40 = 59,918.40/x
  3. Step 3: Cross multiply
    193,039.20x = 289,580.40 × 59,918.40
  4. Step 4: Simplify right side
    193,039.20x = 17,351,194,239.36
  5. Step 5: Solve for x
    x = 17,351,194,239.36/193,039.20
  6. Step 6: Final answer
    x = 89,884.30

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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.