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Finding the Fourth Proportional to 252,203.88, 348,065.90 and 188,430.96

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Solution

The fourth proportional to 252,203.88, 348,065.90 and 188,430.96 is: 260,053.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,203.88 : 348,065.90 = 188,430.96 : x
  2. Step 2: Convert to fraction form
    252,203.88/348,065.90 = 188,430.96/x
  3. Step 3: Cross multiply
    252,203.88x = 348,065.90 × 188,430.96
  4. Step 4: Simplify right side
    252,203.88x = 65,586,391,680.26
  5. Step 5: Solve for x
    x = 65,586,391,680.26/252,203.88
  6. Step 6: Final answer
    x = 260,053.06

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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.