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Finding the Fourth Proportional to 248,802.68, 343,347.72 and 135,625.52

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Solution

The fourth proportional to 248,802.68, 343,347.72 and 135,625.52 is: 187,163.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,802.68 : 343,347.72 = 135,625.52 : x
  2. Step 2: Convert to fraction form
    248,802.68/343,347.72 = 135,625.52/x
  3. Step 3: Cross multiply
    248,802.68x = 343,347.72 × 135,625.52
  4. Step 4: Simplify right side
    248,802.68x = 46,566,713,065.81
  5. Step 5: Solve for x
    x = 46,566,713,065.81/248,802.68
  6. Step 6: Final answer
    x = 187,163.23

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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.