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Finding the Fourth Proportional to 292,062.56, 403,051.56 and 171,290.92

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Solution

The fourth proportional to 292,062.56, 403,051.56 and 171,290.92 is: 236,384.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,062.56 : 403,051.56 = 171,290.92 : x
  2. Step 2: Convert to fraction form
    292,062.56/403,051.56 = 171,290.92/x
  3. Step 3: Cross multiply
    292,062.56x = 403,051.56 × 171,290.92
  4. Step 4: Simplify right side
    292,062.56x = 69,039,072,519.84
  5. Step 5: Solve for x
    x = 69,039,072,519.84/292,062.56
  6. Step 6: Final answer
    x = 236,384.54

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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.