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Finding the Fourth Proportional to 186,737.52, 280,142.70 and 60,409.08

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Solution

The fourth proportional to 186,737.52, 280,142.70 and 60,409.08 is: 90,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,737.52 : 280,142.70 = 60,409.08 : x
  2. Step 2: Convert to fraction form
    186,737.52/280,142.70 = 60,409.08/x
  3. Step 3: Cross multiply
    186,737.52x = 280,142.70 × 60,409.08
  4. Step 4: Simplify right side
    186,737.52x = 16,923,162,775.72
  5. Step 5: Solve for x
    x = 16,923,162,775.72/186,737.52
  6. Step 6: Final answer
    x = 90,625.40

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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.