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Finding the Fourth Proportional to 292,938, 404,235.30 and 163,854.10

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Solution

The fourth proportional to 292,938, 404,235.30 and 163,854.10 is: 226,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,938 : 404,235.30 = 163,854.10 : x
  2. Step 2: Convert to fraction form
    292,938/404,235.30 = 163,854.10/x
  3. Step 3: Cross multiply
    292,938x = 404,235.30 × 163,854.10
  4. Step 4: Simplify right side
    292,938x = 66,235,611,269.73
  5. Step 5: Solve for x
    x = 66,235,611,269.73/292,938
  6. Step 6: Final answer
    x = 226,107.95

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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.