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Finding the Fourth Proportional to 235,919.32, 325,600.77 and 139,150.54

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Solution

The fourth proportional to 235,919.32, 325,600.77 and 139,150.54 is: 192,046.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,919.32 : 325,600.77 = 139,150.54 : x
  2. Step 2: Convert to fraction form
    235,919.32/325,600.77 = 139,150.54/x
  3. Step 3: Cross multiply
    235,919.32x = 325,600.77 × 139,150.54
  4. Step 4: Simplify right side
    235,919.32x = 45,307,523,726.51
  5. Step 5: Solve for x
    x = 45,307,523,726.51/235,919.32
  6. Step 6: Final answer
    x = 192,046.69

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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.