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Finding the Fourth Proportional to 104,406.58, 144,081.17 and 56,659.93

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Solution

The fourth proportional to 104,406.58, 144,081.17 and 56,659.93 is: 78,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,406.58 : 144,081.17 = 56,659.93 : x
  2. Step 2: Convert to fraction form
    104,406.58/144,081.17 = 56,659.93/x
  3. Step 3: Cross multiply
    104,406.58x = 144,081.17 × 56,659.93
  4. Step 4: Simplify right side
    104,406.58x = 8,163,628,787.96
  5. Step 5: Solve for x
    x = 8,163,628,787.96/104,406.58
  6. Step 6: Final answer
    x = 78,190.75

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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.