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Finding the Fourth Proportional to 273,251.71, 377,092.21 and 152,380.02

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Solution

The fourth proportional to 273,251.71, 377,092.21 and 152,380.02 is: 210,287.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,251.71 : 377,092.21 = 152,380.02 : x
  2. Step 2: Convert to fraction form
    273,251.71/377,092.21 = 152,380.02/x
  3. Step 3: Cross multiply
    273,251.71x = 377,092.21 × 152,380.02
  4. Step 4: Simplify right side
    273,251.71x = 57,461,317,699.36
  5. Step 5: Solve for x
    x = 57,461,317,699.36/273,251.71
  6. Step 6: Final answer
    x = 210,287.13

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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.