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Finding the Fourth Proportional to 186,374.52, 279,339.84 and 107,325

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Solution

The fourth proportional to 186,374.52, 279,339.84 and 107,325 is: 160,859.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,374.52 : 279,339.84 = 107,325 : x
  2. Step 2: Convert to fraction form
    186,374.52/279,339.84 = 107,325/x
  3. Step 3: Cross multiply
    186,374.52x = 279,339.84 × 107,325
  4. Step 4: Simplify right side
    186,374.52x = 29,980,148,328.00
  5. Step 5: Solve for x
    x = 29,980,148,328.00/186,374.52
  6. Step 6: Final answer
    x = 160,859.69

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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.