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Finding the Fourth Proportional to 251,730.65, 377,596.98 and 101,973.80

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Solution

The fourth proportional to 251,730.65, 377,596.98 and 101,973.80 is: 152,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,730.65 : 377,596.98 = 101,973.80 : x
  2. Step 2: Convert to fraction form
    251,730.65/377,596.98 = 101,973.80/x
  3. Step 3: Cross multiply
    251,730.65x = 377,596.98 × 101,973.80
  4. Step 4: Simplify right side
    251,730.65x = 38,504,997,413.54
  5. Step 5: Solve for x
    x = 38,504,997,413.54/251,730.65
  6. Step 6: Final answer
    x = 152,961.10

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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.