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Finding the Fourth Proportional to 235,807.03, 325,329.31 and 158,301.57

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Solution

The fourth proportional to 235,807.03, 325,329.31 and 158,301.57 is: 218,399.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,807.03 : 325,329.31 = 158,301.57 : x
  2. Step 2: Convert to fraction form
    235,807.03/325,329.31 = 158,301.57/x
  3. Step 3: Cross multiply
    235,807.03x = 325,329.31 × 158,301.57
  4. Step 4: Simplify right side
    235,807.03x = 51,500,140,540.02
  5. Step 5: Solve for x
    x = 51,500,140,540.02/235,807.03
  6. Step 6: Final answer
    x = 218,399.51

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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.