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Finding the Fourth Proportional to 276,893.32, 415,162.54 and 116,925.92

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Solution

The fourth proportional to 276,893.32, 415,162.54 and 116,925.92 is: 175,313.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,893.32 : 415,162.54 = 116,925.92 : x
  2. Step 2: Convert to fraction form
    276,893.32/415,162.54 = 116,925.92/x
  3. Step 3: Cross multiply
    276,893.32x = 415,162.54 × 116,925.92
  4. Step 4: Simplify right side
    276,893.32x = 48,543,261,939.04
  5. Step 5: Solve for x
    x = 48,543,261,939.04/276,893.32
  6. Step 6: Final answer
    x = 175,313.95

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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.