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Finding the Fourth Proportional to 275,653.80, 413,529.30 and 98,263.80

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Solution

The fourth proportional to 275,653.80, 413,529.30 and 98,263.80 is: 147,413.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,653.80 : 413,529.30 = 98,263.80 : x
  2. Step 2: Convert to fraction form
    275,653.80/413,529.30 = 98,263.80/x
  3. Step 3: Cross multiply
    275,653.80x = 413,529.30 × 98,263.80
  4. Step 4: Simplify right side
    275,653.80x = 40,634,960,429.34
  5. Step 5: Solve for x
    x = 40,634,960,429.34/275,653.80
  6. Step 6: Final answer
    x = 147,413.02

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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.