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Finding the Fourth Proportional to 232,379.80, 348,051.30 and 190,907.80

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Solution

The fourth proportional to 232,379.80, 348,051.30 and 190,907.80 is: 285,935.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,379.80 : 348,051.30 = 190,907.80 : x
  2. Step 2: Convert to fraction form
    232,379.80/348,051.30 = 190,907.80/x
  3. Step 3: Cross multiply
    232,379.80x = 348,051.30 × 190,907.80
  4. Step 4: Simplify right side
    232,379.80x = 66,445,707,970.14
  5. Step 5: Solve for x
    x = 66,445,707,970.14/232,379.80
  6. Step 6: Final answer
    x = 285,935.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.