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Finding the Fourth Proportional to 153,369.78, 211,601.07 and 92,921.10

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Solution

The fourth proportional to 153,369.78, 211,601.07 and 92,921.10 is: 128,201.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,369.78 : 211,601.07 = 92,921.10 : x
  2. Step 2: Convert to fraction form
    153,369.78/211,601.07 = 92,921.10/x
  3. Step 3: Cross multiply
    153,369.78x = 211,601.07 × 92,921.10
  4. Step 4: Simplify right side
    153,369.78x = 19,662,204,185.58
  5. Step 5: Solve for x
    x = 19,662,204,185.58/153,369.78
  6. Step 6: Final answer
    x = 128,201.29

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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.