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Finding the Fourth Proportional to 225,051.76, 310,289.16 and 144,336.88

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Solution

The fourth proportional to 225,051.76, 310,289.16 and 144,336.88 is: 199,003.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,051.76 : 310,289.16 = 144,336.88 : x
  2. Step 2: Convert to fraction form
    225,051.76/310,289.16 = 144,336.88/x
  3. Step 3: Cross multiply
    225,051.76x = 310,289.16 × 144,336.88
  4. Step 4: Simplify right side
    225,051.76x = 44,786,169,252.22
  5. Step 5: Solve for x
    x = 44,786,169,252.22/225,051.76
  6. Step 6: Final answer
    x = 199,003.86

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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.