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Finding the Fourth Proportional to 205,391.57, 308,126.23 and 94,583.57

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Solution

The fourth proportional to 205,391.57, 308,126.23 and 94,583.57 is: 141,893.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,391.57 : 308,126.23 = 94,583.57 : x
  2. Step 2: Convert to fraction form
    205,391.57/308,126.23 = 94,583.57/x
  3. Step 3: Cross multiply
    205,391.57x = 308,126.23 × 94,583.57
  4. Step 4: Simplify right side
    205,391.57x = 29,143,676,830.49
  5. Step 5: Solve for x
    x = 29,143,676,830.49/205,391.57
  6. Step 6: Final answer
    x = 141,893.25

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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.