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Finding the Fourth Proportional to 114,751.45, 158,369.34 and 69,454.36

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Solution

The fourth proportional to 114,751.45, 158,369.34 and 69,454.36 is: 95,854.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,751.45 : 158,369.34 = 69,454.36 : x
  2. Step 2: Convert to fraction form
    114,751.45/158,369.34 = 69,454.36/x
  3. Step 3: Cross multiply
    114,751.45x = 158,369.34 × 69,454.36
  4. Step 4: Simplify right side
    114,751.45x = 10,999,441,153.32
  5. Step 5: Solve for x
    x = 10,999,441,153.32/114,751.45
  6. Step 6: Final answer
    x = 95,854.49

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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.