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Finding the Fourth Proportional to 292,948.07, 404,264.70 and 172,100.37

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Solution

The fourth proportional to 292,948.07, 404,264.70 and 172,100.37 is: 237,496.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,948.07 : 404,264.70 = 172,100.37 : x
  2. Step 2: Convert to fraction form
    292,948.07/404,264.70 = 172,100.37/x
  3. Step 3: Cross multiply
    292,948.07x = 404,264.70 × 172,100.37
  4. Step 4: Simplify right side
    292,948.07x = 69,574,104,447.94
  5. Step 5: Solve for x
    x = 69,574,104,447.94/292,948.07
  6. Step 6: Final answer
    x = 237,496.37

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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.