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Finding the Fourth Proportional to 273,660.76, 377,647.93 and 152,803.95

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Solution

The fourth proportional to 273,660.76, 377,647.93 and 152,803.95 is: 210,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,660.76 : 377,647.93 = 152,803.95 : x
  2. Step 2: Convert to fraction form
    273,660.76/377,647.93 = 152,803.95/x
  3. Step 3: Cross multiply
    273,660.76x = 377,647.93 × 152,803.95
  4. Step 4: Simplify right side
    273,660.76x = 57,706,095,413.32
  5. Step 5: Solve for x
    x = 57,706,095,413.32/273,660.76
  6. Step 6: Final answer
    x = 210,867.26

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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.