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Finding the Fourth Proportional to 194,290.88, 291,436.84 and 54,049.52

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Solution

The fourth proportional to 194,290.88, 291,436.84 and 54,049.52 is: 81,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,290.88 : 291,436.84 = 54,049.52 : x
  2. Step 2: Convert to fraction form
    194,290.88/291,436.84 = 54,049.52/x
  3. Step 3: Cross multiply
    194,290.88x = 291,436.84 × 54,049.52
  4. Step 4: Simplify right side
    194,290.88x = 15,752,021,312.32
  5. Step 5: Solve for x
    x = 15,752,021,312.32/194,290.88
  6. Step 6: Final answer
    x = 81,074.42

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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.