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Finding the Fourth Proportional to 235,638.28, 325,202.43 and 133,696.90

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Solution

The fourth proportional to 235,638.28, 325,202.43 and 133,696.90 is: 184,513.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,638.28 : 325,202.43 = 133,696.90 : x
  2. Step 2: Convert to fraction form
    235,638.28/325,202.43 = 133,696.90/x
  3. Step 3: Cross multiply
    235,638.28x = 325,202.43 × 133,696.90
  4. Step 4: Simplify right side
    235,638.28x = 43,478,556,763.47
  5. Step 5: Solve for x
    x = 43,478,556,763.47/235,638.28
  6. Step 6: Final answer
    x = 184,513.98

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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.