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Finding the Fourth Proportional to 253,907.68, 350,210.64 and 167,766.88

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Solution

The fourth proportional to 253,907.68, 350,210.64 and 167,766.88 is: 231,398.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,907.68 : 350,210.64 = 167,766.88 : x
  2. Step 2: Convert to fraction form
    253,907.68/350,210.64 = 167,766.88/x
  3. Step 3: Cross multiply
    253,907.68x = 350,210.64 × 167,766.88
  4. Step 4: Simplify right side
    253,907.68x = 58,753,746,415.60
  5. Step 5: Solve for x
    x = 58,753,746,415.60/253,907.68
  6. Step 6: Final answer
    x = 231,398.07

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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.