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Finding the Fourth Proportional to 273,885.52, 377,924.40 and 153,011.68

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Solution

The fourth proportional to 273,885.52, 377,924.40 and 153,011.68 is: 211,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,885.52 : 377,924.40 = 153,011.68 : x
  2. Step 2: Convert to fraction form
    273,885.52/377,924.40 = 153,011.68/x
  3. Step 3: Cross multiply
    273,885.52x = 377,924.40 × 153,011.68
  4. Step 4: Simplify right side
    273,885.52x = 57,826,847,356.99
  5. Step 5: Solve for x
    x = 57,826,847,356.99/273,885.52
  6. Step 6: Final answer
    x = 211,135.10

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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.