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Finding the Fourth Proportional to 235,235.21, 324,620.60 and 127,806.93

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Solution

The fourth proportional to 235,235.21, 324,620.60 and 127,806.93 is: 176,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,235.21 : 324,620.60 = 127,806.93 : x
  2. Step 2: Convert to fraction form
    235,235.21/324,620.60 = 127,806.93/x
  3. Step 3: Cross multiply
    235,235.21x = 324,620.60 × 127,806.93
  4. Step 4: Simplify right side
    235,235.21x = 41,488,761,661.72
  5. Step 5: Solve for x
    x = 41,488,761,661.72/235,235.21
  6. Step 6: Final answer
    x = 176,371.40

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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.