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Finding the Fourth Proportional to 248,751, 343,276.38 and 135,574.02

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Solution

The fourth proportional to 248,751, 343,276.38 and 135,574.02 is: 187,092.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,751 : 343,276.38 = 135,574.02 : x
  2. Step 2: Convert to fraction form
    248,751/343,276.38 = 135,574.02/x
  3. Step 3: Cross multiply
    248,751x = 343,276.38 × 135,574.02
  4. Step 4: Simplify right side
    248,751x = 46,539,358,807.65
  5. Step 5: Solve for x
    x = 46,539,358,807.65/248,751
  6. Step 6: Final answer
    x = 187,092.15

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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.