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Finding the Fourth Proportional to 248,717.52, 343,237.46 and 135,547.56

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Solution

The fourth proportional to 248,717.52, 343,237.46 and 135,547.56 is: 187,059.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,717.52 : 343,237.46 = 135,547.56 : x
  2. Step 2: Convert to fraction form
    248,717.52/343,237.46 = 135,547.56/x
  3. Step 3: Cross multiply
    248,717.52x = 343,237.46 × 135,547.56
  4. Step 4: Simplify right side
    248,717.52x = 46,525,000,203.60
  5. Step 5: Solve for x
    x = 46,525,000,203.60/248,717.52
  6. Step 6: Final answer
    x = 187,059.60

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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.