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Finding the Fourth Proportional to 189,180.32, 283,628.32 and 89,283.62

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Solution

The fourth proportional to 189,180.32, 283,628.32 and 89,283.62 is: 133,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,180.32 : 283,628.32 = 89,283.62 : x
  2. Step 2: Convert to fraction form
    189,180.32/283,628.32 = 89,283.62/x
  3. Step 3: Cross multiply
    189,180.32x = 283,628.32 × 89,283.62
  4. Step 4: Simplify right side
    189,180.32x = 25,323,363,629.98
  5. Step 5: Solve for x
    x = 25,323,363,629.98/189,180.32
  6. Step 6: Final answer
    x = 133,858.34

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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.