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Finding the Fourth Proportional to 248,797.83, 343,341.23 and 135,620.58

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Solution

The fourth proportional to 248,797.83, 343,341.23 and 135,620.58 is: 187,156.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,797.83 : 343,341.23 = 135,620.58 : x
  2. Step 2: Convert to fraction form
    248,797.83/343,341.23 = 135,620.58/x
  3. Step 3: Cross multiply
    248,797.83x = 343,341.23 × 135,620.58
  4. Step 4: Simplify right side
    248,797.83x = 46,564,136,191.51
  5. Step 5: Solve for x
    x = 46,564,136,191.51/248,797.83
  6. Step 6: Final answer
    x = 187,156.52

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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.