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Finding the Fourth Proportional to 255,161.85, 352,122.95 and 158,329.69

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Solution

The fourth proportional to 255,161.85, 352,122.95 and 158,329.69 is: 218,494.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,161.85 : 352,122.95 = 158,329.69 : x
  2. Step 2: Convert to fraction form
    255,161.85/352,122.95 = 158,329.69/x
  3. Step 3: Cross multiply
    255,161.85x = 352,122.95 × 158,329.69
  4. Step 4: Simplify right side
    255,161.85x = 55,751,516,140.30
  5. Step 5: Solve for x
    x = 55,751,516,140.30/255,161.85
  6. Step 6: Final answer
    x = 218,494.72

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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.