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Finding the Fourth Proportional to 104,606.56, 144,357.96 and 56,859.96

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Solution

The fourth proportional to 104,606.56, 144,357.96 and 56,859.96 is: 78,467.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,606.56 : 144,357.96 = 56,859.96 : x
  2. Step 2: Convert to fraction form
    104,606.56/144,357.96 = 56,859.96/x
  3. Step 3: Cross multiply
    104,606.56x = 144,357.96 × 56,859.96
  4. Step 4: Simplify right side
    104,606.56x = 8,208,187,831.28
  5. Step 5: Solve for x
    x = 8,208,187,831.28/104,606.56
  6. Step 6: Final answer
    x = 78,467.24

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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.