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Finding the Fourth Proportional to 213,389.73, 294,452.73 and 117,890.73

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Solution

The fourth proportional to 213,389.73, 294,452.73 and 117,890.73 is: 162,675.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,389.73 : 294,452.73 = 117,890.73 : x
  2. Step 2: Convert to fraction form
    213,389.73/294,452.73 = 117,890.73/x
  3. Step 3: Cross multiply
    213,389.73x = 294,452.73 × 117,890.73
  4. Step 4: Simplify right side
    213,389.73x = 34,713,247,290.19
  5. Step 5: Solve for x
    x = 34,713,247,290.19/213,389.73
  6. Step 6: Final answer
    x = 162,675.34

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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.