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Finding the Fourth Proportional to 114,771.43, 158,374.44 and 63,780.92

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Solution

The fourth proportional to 114,771.43, 158,374.44 and 63,780.92 is: 88,012.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,771.43 : 158,374.44 = 63,780.92 : x
  2. Step 2: Convert to fraction form
    114,771.43/158,374.44 = 63,780.92/x
  3. Step 3: Cross multiply
    114,771.43x = 158,374.44 × 63,780.92
  4. Step 4: Simplify right side
    114,771.43x = 10,101,267,289.72
  5. Step 5: Solve for x
    x = 10,101,267,289.72/114,771.43
  6. Step 6: Final answer
    x = 88,012.04

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1.5x scale

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.