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Finding the Fourth Proportional to 186,098.95, 279,121.98 and 59,722.84

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Solution

The fourth proportional to 186,098.95, 279,121.98 and 59,722.84 is: 89,575.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,098.95 : 279,121.98 = 59,722.84 : x
  2. Step 2: Convert to fraction form
    186,098.95/279,121.98 = 59,722.84/x
  3. Step 3: Cross multiply
    186,098.95x = 279,121.98 × 59,722.84
  4. Step 4: Simplify right side
    186,098.95x = 16,669,957,352.02
  5. Step 5: Solve for x
    x = 16,669,957,352.02/186,098.95
  6. Step 6: Final answer
    x = 89,575.77

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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.