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Finding the Fourth Proportional to 292,038.94, 402,937.56 and 171,115.27

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Solution

The fourth proportional to 292,038.94, 402,937.56 and 171,115.27 is: 236,094.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,038.94 : 402,937.56 = 171,115.27 : x
  2. Step 2: Convert to fraction form
    292,038.94/402,937.56 = 171,115.27/x
  3. Step 3: Cross multiply
    292,038.94x = 402,937.56 × 171,115.27
  4. Step 4: Simplify right side
    292,038.94x = 68,948,769,372.54
  5. Step 5: Solve for x
    x = 68,948,769,372.54/292,038.94
  6. Step 6: Final answer
    x = 236,094.44

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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.