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Finding the Fourth Proportional to 118,676.91, 178,014.96 and 48,556.23

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Solution

The fourth proportional to 118,676.91, 178,014.96 and 48,556.23 is: 72,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,676.91 : 178,014.96 = 48,556.23 : x
  2. Step 2: Convert to fraction form
    118,676.91/178,014.96 = 48,556.23/x
  3. Step 3: Cross multiply
    118,676.91x = 178,014.96 × 48,556.23
  4. Step 4: Simplify right side
    118,676.91x = 8,643,735,341.20
  5. Step 5: Solve for x
    x = 8,643,735,341.20/118,676.91
  6. Step 6: Final answer
    x = 72,834.18

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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.