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Finding the Fourth Proportional to 248,458.08, 342,975.16 and 188,045.58

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Solution

The fourth proportional to 248,458.08, 342,975.16 and 188,045.58 is: 259,580.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,458.08 : 342,975.16 = 188,045.58 : x
  2. Step 2: Convert to fraction form
    248,458.08/342,975.16 = 188,045.58/x
  3. Step 3: Cross multiply
    248,458.08x = 342,975.16 × 188,045.58
  4. Step 4: Simplify right side
    248,458.08x = 64,494,962,887.79
  5. Step 5: Solve for x
    x = 64,494,962,887.79/248,458.08
  6. Step 6: Final answer
    x = 259,580.86

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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.