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Finding the Fourth Proportional to 189,375.88, 261,338.52 and 104,492.94

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Solution

The fourth proportional to 189,375.88, 261,338.52 and 104,492.94 is: 144,200.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,375.88 : 261,338.52 = 104,492.94 : x
  2. Step 2: Convert to fraction form
    189,375.88/261,338.52 = 104,492.94/x
  3. Step 3: Cross multiply
    189,375.88x = 261,338.52 × 104,492.94
  4. Step 4: Simplify right side
    189,375.88x = 27,308,030,290.05
  5. Step 5: Solve for x
    x = 27,308,030,290.05/189,375.88
  6. Step 6: Final answer
    x = 144,200.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.