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Finding the Fourth Proportional to 248,488.20, 342,945.36 and 185,006.88

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Solution

The fourth proportional to 248,488.20, 342,945.36 and 185,006.88 is: 255,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,488.20 : 342,945.36 = 185,006.88 : x
  2. Step 2: Convert to fraction form
    248,488.20/342,945.36 = 185,006.88/x
  3. Step 3: Cross multiply
    248,488.20x = 342,945.36 × 185,006.88
  4. Step 4: Simplify right side
    248,488.20x = 63,447,251,064.08
  5. Step 5: Solve for x
    x = 63,447,251,064.08/248,488.20
  6. Step 6: Final answer
    x = 255,333.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.