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Finding the Fourth Proportional to 213,778.64, 295,002.20 and 118,279.64

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Solution

The fourth proportional to 213,778.64, 295,002.20 and 118,279.64 is: 163,219.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,778.64 : 295,002.20 = 118,279.64 : x
  2. Step 2: Convert to fraction form
    213,778.64/295,002.20 = 118,279.64/x
  3. Step 3: Cross multiply
    213,778.64x = 295,002.20 × 118,279.64
  4. Step 4: Simplify right side
    213,778.64x = 34,892,755,048.41
  5. Step 5: Solve for x
    x = 34,892,755,048.41/213,778.64
  6. Step 6: Final answer
    x = 163,219.09

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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.