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Finding the Fourth Proportional to 236,357.99, 326,160.90 and 134,369.30

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Solution

The fourth proportional to 236,357.99, 326,160.90 and 134,369.30 is: 185,422.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,357.99 : 326,160.90 = 134,369.30 : x
  2. Step 2: Convert to fraction form
    236,357.99/326,160.90 = 134,369.30/x
  3. Step 3: Cross multiply
    236,357.99x = 326,160.90 × 134,369.30
  4. Step 4: Simplify right side
    236,357.99x = 43,826,010,189.57
  5. Step 5: Solve for x
    x = 43,826,010,189.57/236,357.99
  6. Step 6: Final answer
    x = 185,422.17

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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.