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Finding the Fourth Proportional to 114,796.08, 158,472.48 and 76,619.04

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Solution

The fourth proportional to 114,796.08, 158,472.48 and 76,619.04 is: 105,770.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,796.08 : 158,472.48 = 76,619.04 : x
  2. Step 2: Convert to fraction form
    114,796.08/158,472.48 = 76,619.04/x
  3. Step 3: Cross multiply
    114,796.08x = 158,472.48 × 76,619.04
  4. Step 4: Simplify right side
    114,796.08x = 12,142,009,284.02
  5. Step 5: Solve for x
    x = 12,142,009,284.02/114,796.08
  6. Step 6: Final answer
    x = 105,770.24

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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.