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Finding the Fourth Proportional to 189,314.22, 283,933.14 and 69,330.22

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Solution

The fourth proportional to 189,314.22, 283,933.14 and 69,330.22 is: 103,981.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,314.22 : 283,933.14 = 69,330.22 : x
  2. Step 2: Convert to fraction form
    189,314.22/283,933.14 = 69,330.22/x
  3. Step 3: Cross multiply
    189,314.22x = 283,933.14 × 69,330.22
  4. Step 4: Simplify right side
    189,314.22x = 19,685,147,061.49
  5. Step 5: Solve for x
    x = 19,685,147,061.49/189,314.22
  6. Step 6: Final answer
    x = 103,981.34

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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.