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Finding the Fourth Proportional to 248,752, 343,277.76 and 135,575.02

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Solution

The fourth proportional to 248,752, 343,277.76 and 135,575.02 is: 187,093.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,752 : 343,277.76 = 135,575.02 : x
  2. Step 2: Convert to fraction form
    248,752/343,277.76 = 135,575.02/x
  3. Step 3: Cross multiply
    248,752x = 343,277.76 × 135,575.02
  4. Step 4: Simplify right side
    248,752x = 46,539,889,177.56
  5. Step 5: Solve for x
    x = 46,539,889,177.56/248,752
  6. Step 6: Final answer
    x = 187,093.53

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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.