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Finding the Fourth Proportional to 94,622, 141,772.32 and 57,103.24

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Solution

The fourth proportional to 94,622, 141,772.32 and 57,103.24 is: 85,557.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,622 : 141,772.32 = 57,103.24 : x
  2. Step 2: Convert to fraction form
    94,622/141,772.32 = 57,103.24/x
  3. Step 3: Cross multiply
    94,622x = 141,772.32 × 57,103.24
  4. Step 4: Simplify right side
    94,622x = 8,095,658,814.32
  5. Step 5: Solve for x
    x = 8,095,658,814.32/94,622
  6. Step 6: Final answer
    x = 85,557.89

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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.