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Finding the Fourth Proportional to 292,009.41, 402,936.39 and 171,123.03

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Solution

The fourth proportional to 292,009.41, 402,936.39 and 171,123.03 is: 236,128.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,009.41 : 402,936.39 = 171,123.03 : x
  2. Step 2: Convert to fraction form
    292,009.41/402,936.39 = 171,123.03/x
  3. Step 3: Cross multiply
    292,009.41x = 402,936.39 × 171,123.03
  4. Step 4: Simplify right side
    292,009.41x = 68,951,695,954.06
  5. Step 5: Solve for x
    x = 68,951,695,954.06/292,009.41
  6. Step 6: Final answer
    x = 236,128.34

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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.