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Finding the Fourth Proportional to 194,062.32, 291,093.47 and 53,820.95

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Solution

The fourth proportional to 194,062.32, 291,093.47 and 53,820.95 is: 80,731.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,062.32 : 291,093.47 = 53,820.95 : x
  2. Step 2: Convert to fraction form
    194,062.32/291,093.47 = 53,820.95/x
  3. Step 3: Cross multiply
    194,062.32x = 291,093.47 × 53,820.95
  4. Step 4: Simplify right side
    194,062.32x = 15,666,925,369.62
  5. Step 5: Solve for x
    x = 15,666,925,369.62/194,062.32
  6. Step 6: Final answer
    x = 80,731.41

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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.