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Finding the Fourth Proportional to 250,975.94, 346,347.22 and 136,254.58

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Solution

The fourth proportional to 250,975.94, 346,347.22 and 136,254.58 is: 188,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,975.94 : 346,347.22 = 136,254.58 : x
  2. Step 2: Convert to fraction form
    250,975.94/346,347.22 = 136,254.58/x
  3. Step 3: Cross multiply
    250,975.94x = 346,347.22 × 136,254.58
  4. Step 4: Simplify right side
    250,975.94x = 47,191,394,635.13
  5. Step 5: Solve for x
    x = 47,191,394,635.13/250,975.94
  6. Step 6: Final answer
    x = 188,031.55

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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.