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Finding the Fourth Proportional to 193,674.77, 290,528.89 and 53,433.39

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Solution

The fourth proportional to 193,674.77, 290,528.89 and 53,433.39 is: 80,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,674.77 : 290,528.89 = 53,433.39 : x
  2. Step 2: Convert to fraction form
    193,674.77/290,528.89 = 53,433.39/x
  3. Step 3: Cross multiply
    193,674.77x = 290,528.89 × 53,433.39
  4. Step 4: Simplify right side
    193,674.77x = 15,523,943,485.64
  5. Step 5: Solve for x
    x = 15,523,943,485.64/193,674.77
  6. Step 6: Final answer
    x = 80,154.70

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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.