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Finding the Fourth Proportional to 225,290.42, 310,879.51 and 134,628.33

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Solution

The fourth proportional to 225,290.42, 310,879.51 and 134,628.33 is: 185,774.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,290.42 : 310,879.51 = 134,628.33 : x
  2. Step 2: Convert to fraction form
    225,290.42/310,879.51 = 134,628.33/x
  3. Step 3: Cross multiply
    225,290.42x = 310,879.51 × 134,628.33
  4. Step 4: Simplify right side
    225,290.42x = 41,853,188,925.95
  5. Step 5: Solve for x
    x = 41,853,188,925.95/225,290.42
  6. Step 6: Final answer
    x = 185,774.39

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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.