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Finding the Fourth Proportional to 219,752.58, 329,410.64 and 124,786.20

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Solution

The fourth proportional to 219,752.58, 329,410.64 and 124,786.20 is: 187,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,752.58 : 329,410.64 = 124,786.20 : x
  2. Step 2: Convert to fraction form
    219,752.58/329,410.64 = 124,786.20/x
  3. Step 3: Cross multiply
    219,752.58x = 329,410.64 × 124,786.20
  4. Step 4: Simplify right side
    219,752.58x = 41,105,903,417.27
  5. Step 5: Solve for x
    x = 41,105,903,417.27/219,752.58
  6. Step 6: Final answer
    x = 187,055.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.