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Finding the Fourth Proportional to 226,111.50, 312,037.52 and 125,509.50

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Solution

The fourth proportional to 226,111.50, 312,037.52 and 125,509.50 is: 173,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,111.50 : 312,037.52 = 125,509.50 : x
  2. Step 2: Convert to fraction form
    226,111.50/312,037.52 = 125,509.50/x
  3. Step 3: Cross multiply
    226,111.50x = 312,037.52 × 125,509.50
  4. Step 4: Simplify right side
    226,111.50x = 39,163,672,488.89
  5. Step 5: Solve for x
    x = 39,163,672,488.89/226,111.50
  6. Step 6: Final answer
    x = 173,205.13

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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.