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Finding the Fourth Proportional to 194,874.84, 291,467.68 and 114,721.76

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Solution

The fourth proportional to 194,874.84, 291,467.68 and 114,721.76 is: 171,585.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,874.84 : 291,467.68 = 114,721.76 : x
  2. Step 2: Convert to fraction form
    194,874.84/291,467.68 = 114,721.76/x
  3. Step 3: Cross multiply
    194,874.84x = 291,467.68 × 114,721.76
  4. Step 4: Simplify right side
    194,874.84x = 33,437,685,232.72
  5. Step 5: Solve for x
    x = 33,437,685,232.72/194,874.84
  6. Step 6: Final answer
    x = 171,585.44

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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.