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Finding the Fourth Proportional to 230,491.74, 345,276.45 and 183,186.66

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Solution

The fourth proportional to 230,491.74, 345,276.45 and 183,186.66 is: 274,413.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,491.74 : 345,276.45 = 183,186.66 : x
  2. Step 2: Convert to fraction form
    230,491.74/345,276.45 = 183,186.66/x
  3. Step 3: Cross multiply
    230,491.74x = 345,276.45 × 183,186.66
  4. Step 4: Simplify right side
    230,491.74x = 63,250,039,652.16
  5. Step 5: Solve for x
    x = 63,250,039,652.16/230,491.74
  6. Step 6: Final answer
    x = 274,413.48

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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.