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Finding the Fourth Proportional to 292,951, 404,268.73 and 172,103.32

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Solution

The fourth proportional to 292,951, 404,268.73 and 172,103.32 is: 237,500.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,951 : 404,268.73 = 172,103.32 : x
  2. Step 2: Convert to fraction form
    292,951/404,268.73 = 172,103.32/x
  3. Step 3: Cross multiply
    292,951x = 404,268.73 × 172,103.32
  4. Step 4: Simplify right side
    292,951x = 69,575,990,605.18
  5. Step 5: Solve for x
    x = 69,575,990,605.18/292,951
  6. Step 6: Final answer
    x = 237,500.44

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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.