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Finding the Fourth Proportional to 92,668.58, 138,950.15 and 36,478.22

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Solution

The fourth proportional to 92,668.58, 138,950.15 and 36,478.22 is: 54,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,668.58 : 138,950.15 = 36,478.22 : x
  2. Step 2: Convert to fraction form
    92,668.58/138,950.15 = 36,478.22/x
  3. Step 3: Cross multiply
    92,668.58x = 138,950.15 × 36,478.22
  4. Step 4: Simplify right side
    92,668.58x = 5,068,654,305.72
  5. Step 5: Solve for x
    x = 5,068,654,305.72/92,668.58
  6. Step 6: Final answer
    x = 54,696.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.