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Finding the Fourth Proportional to 114,036.50, 157,370.37 and 63,735.50

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Solution

The fourth proportional to 114,036.50, 157,370.37 and 63,735.50 is: 87,954.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,036.50 : 157,370.37 = 63,735.50 : x
  2. Step 2: Convert to fraction form
    114,036.50/157,370.37 = 63,735.50/x
  3. Step 3: Cross multiply
    114,036.50x = 157,370.37 × 63,735.50
  4. Step 4: Simplify right side
    114,036.50x = 10,030,079,217.14
  5. Step 5: Solve for x
    x = 10,030,079,217.14/114,036.50
  6. Step 6: Final answer
    x = 87,954.99

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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.