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Finding the Fourth Proportional to 114,603.50, 158,162.28 and 63,619.40

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Solution

The fourth proportional to 114,603.50, 158,162.28 and 63,619.40 is: 87,800.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,603.50 : 158,162.28 = 63,619.40 : x
  2. Step 2: Convert to fraction form
    114,603.50/158,162.28 = 63,619.40/x
  3. Step 3: Cross multiply
    114,603.50x = 158,162.28 × 63,619.40
  4. Step 4: Simplify right side
    114,603.50x = 10,062,189,356.23
  5. Step 5: Solve for x
    x = 10,062,189,356.23/114,603.50
  6. Step 6: Final answer
    x = 87,800.02

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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.