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Finding the Fourth Proportional to 292,518.56, 403,675.62 and 158,382.56

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Solution

The fourth proportional to 292,518.56, 403,675.62 and 158,382.56 is: 218,567.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,518.56 : 403,675.62 = 158,382.56 : x
  2. Step 2: Convert to fraction form
    292,518.56/403,675.62 = 158,382.56/x
  3. Step 3: Cross multiply
    292,518.56x = 403,675.62 × 158,382.56
  4. Step 4: Simplify right side
    292,518.56x = 63,935,178,520.44
  5. Step 5: Solve for x
    x = 63,935,178,520.44/292,518.56
  6. Step 6: Final answer
    x = 218,567.94

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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.