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Finding the Fourth Proportional to 341,373.75, 512,288.90 and 141,694.16

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Solution

The fourth proportional to 341,373.75, 512,288.90 and 141,694.16 is: 212,635.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,373.75 : 512,288.90 = 141,694.16 : x
  2. Step 2: Convert to fraction form
    341,373.75/512,288.90 = 141,694.16/x
  3. Step 3: Cross multiply
    341,373.75x = 512,288.90 × 141,694.16
  4. Step 4: Simplify right side
    341,373.75x = 72,588,342,092.91
  5. Step 5: Solve for x
    x = 72,588,342,092.91/341,373.75
  6. Step 6: Final answer
    x = 212,635.98

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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.