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Finding the Fourth Proportional to 104,607.24, 144,360.80 and 56,863.80

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Solution

The fourth proportional to 104,607.24, 144,360.80 and 56,863.80 is: 78,473.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,607.24 : 144,360.80 = 56,863.80 : x
  2. Step 2: Convert to fraction form
    104,607.24/144,360.80 = 56,863.80/x
  3. Step 3: Cross multiply
    104,607.24x = 144,360.80 × 56,863.80
  4. Step 4: Simplify right side
    104,607.24x = 8,208,903,659.04
  5. Step 5: Solve for x
    x = 8,208,903,659.04/104,607.24
  6. Step 6: Final answer
    x = 78,473.57

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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.