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Finding the Fourth Proportional to 213,906, 295,268.04 and 124,482

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Solution

The fourth proportional to 213,906, 295,268.04 and 124,482 is: 171,830.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,906 : 295,268.04 = 124,482 : x
  2. Step 2: Convert to fraction form
    213,906/295,268.04 = 124,482/x
  3. Step 3: Cross multiply
    213,906x = 295,268.04 × 124,482
  4. Step 4: Simplify right side
    213,906x = 36,755,556,155.28
  5. Step 5: Solve for x
    x = 36,755,556,155.28/213,906
  6. Step 6: Final answer
    x = 171,830.41

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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.