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Finding the Fourth Proportional to 114,025.50, 157,360.05 and 63,724.50

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Solution

The fourth proportional to 114,025.50, 157,360.05 and 63,724.50 is: 87,942.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,025.50 : 157,360.05 = 63,724.50 : x
  2. Step 2: Convert to fraction form
    114,025.50/157,360.05 = 63,724.50/x
  3. Step 3: Cross multiply
    114,025.50x = 157,360.05 × 63,724.50
  4. Step 4: Simplify right side
    114,025.50x = 10,027,690,506.23
  5. Step 5: Solve for x
    x = 10,027,690,506.23/114,025.50
  6. Step 6: Final answer
    x = 87,942.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.