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Finding the Fourth Proportional to 236,736.30, 355,104.45 and 157,020.15

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Solution

The fourth proportional to 236,736.30, 355,104.45 and 157,020.15 is: 235,530.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,736.30 : 355,104.45 = 157,020.15 : x
  2. Step 2: Convert to fraction form
    236,736.30/355,104.45 = 157,020.15/x
  3. Step 3: Cross multiply
    236,736.30x = 355,104.45 × 157,020.15
  4. Step 4: Simplify right side
    236,736.30x = 55,758,554,004.67
  5. Step 5: Solve for x
    x = 55,758,554,004.67/236,736.30
  6. Step 6: Final answer
    x = 235,530.23

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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.