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Finding the Fourth Proportional to 118,245.51, 163,182.41 and 67,265.63

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Solution

The fourth proportional to 118,245.51, 163,182.41 and 67,265.63 is: 92,828.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,245.51 : 163,182.41 = 67,265.63 : x
  2. Step 2: Convert to fraction form
    118,245.51/163,182.41 = 67,265.63/x
  3. Step 3: Cross multiply
    118,245.51x = 163,182.41 × 67,265.63
  4. Step 4: Simplify right side
    118,245.51x = 10,976,567,613.57
  5. Step 5: Solve for x
    x = 10,976,567,613.57/118,245.51
  6. Step 6: Final answer
    x = 92,828.62

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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.