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Finding the Fourth Proportional to 211,876.97, 292,396.64 and 116,383.64

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Solution

The fourth proportional to 211,876.97, 292,396.64 and 116,383.64 is: 160,612.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,876.97 : 292,396.64 = 116,383.64 : x
  2. Step 2: Convert to fraction form
    211,876.97/292,396.64 = 116,383.64/x
  3. Step 3: Cross multiply
    211,876.97x = 292,396.64 × 116,383.64
  4. Step 4: Simplify right side
    211,876.97x = 34,030,183,243.07
  5. Step 5: Solve for x
    x = 34,030,183,243.07/211,876.97
  6. Step 6: Final answer
    x = 160,612.94

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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.