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Finding the Fourth Proportional to 117,668.88, 162,379.08 and 67,358.16

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Solution

The fourth proportional to 117,668.88, 162,379.08 and 67,358.16 is: 92,951.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,668.88 : 162,379.08 = 67,358.16 : x
  2. Step 2: Convert to fraction form
    117,668.88/162,379.08 = 67,358.16/x
  3. Step 3: Cross multiply
    117,668.88x = 162,379.08 × 67,358.16
  4. Step 4: Simplify right side
    117,668.88x = 10,937,556,051.29
  5. Step 5: Solve for x
    x = 10,937,556,051.29/117,668.88
  6. Step 6: Final answer
    x = 92,951.99

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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.