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Finding the Fourth Proportional to 186,342.30, 279,474.30 and 59,993.82

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Solution

The fourth proportional to 186,342.30, 279,474.30 and 59,993.82 is: 89,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,342.30 : 279,474.30 = 59,993.82 : x
  2. Step 2: Convert to fraction form
    186,342.30/279,474.30 = 59,993.82/x
  3. Step 3: Cross multiply
    186,342.30x = 279,474.30 × 59,993.82
  4. Step 4: Simplify right side
    186,342.30x = 16,766,730,848.83
  5. Step 5: Solve for x
    x = 16,766,730,848.83/186,342.30
  6. Step 6: Final answer
    x = 89,978.13

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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.