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Finding the Fourth Proportional to 114,782.63, 158,370.61 and 67,008.52

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Solution

The fourth proportional to 114,782.63, 158,370.61 and 67,008.52 is: 92,454.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,782.63 : 158,370.61 = 67,008.52 : x
  2. Step 2: Convert to fraction form
    114,782.63/158,370.61 = 67,008.52/x
  3. Step 3: Cross multiply
    114,782.63x = 158,370.61 × 67,008.52
  4. Step 4: Simplify right side
    114,782.63x = 10,612,179,852.55
  5. Step 5: Solve for x
    x = 10,612,179,852.55/114,782.63
  6. Step 6: Final answer
    x = 92,454.58

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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.