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Finding the Fourth Proportional to 192,804.34, 266,017.70 and 117,299.38

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Solution

The fourth proportional to 192,804.34, 266,017.70 and 117,299.38 is: 161,841.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,804.34 : 266,017.70 = 117,299.38 : x
  2. Step 2: Convert to fraction form
    192,804.34/266,017.70 = 117,299.38/x
  3. Step 3: Cross multiply
    192,804.34x = 266,017.70 × 117,299.38
  4. Step 4: Simplify right side
    192,804.34x = 31,203,711,279.03
  5. Step 5: Solve for x
    x = 31,203,711,279.03/192,804.34
  6. Step 6: Final answer
    x = 161,841.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.