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Finding the Fourth Proportional to 273,163.60, 376,938.21 and 152,293.51

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Solution

The fourth proportional to 273,163.60, 376,938.21 and 152,293.51 is: 210,149.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,163.60 : 376,938.21 = 152,293.51 : x
  2. Step 2: Convert to fraction form
    273,163.60/376,938.21 = 152,293.51/x
  3. Step 3: Cross multiply
    273,163.60x = 376,938.21 × 152,293.51
  4. Step 4: Simplify right side
    273,163.60x = 57,405,243,054.02
  5. Step 5: Solve for x
    x = 57,405,243,054.02/273,163.60
  6. Step 6: Final answer
    x = 210,149.68

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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.