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Finding the Fourth Proportional to 159,235.46, 219,746.58 and 91,250.94

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Solution

The fourth proportional to 159,235.46, 219,746.58 and 91,250.94 is: 125,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,235.46 : 219,746.58 = 91,250.94 : x
  2. Step 2: Convert to fraction form
    159,235.46/219,746.58 = 91,250.94/x
  3. Step 3: Cross multiply
    159,235.46x = 219,746.58 × 91,250.94
  4. Step 4: Simplify right side
    159,235.46x = 20,052,081,986.79
  5. Step 5: Solve for x
    x = 20,052,081,986.79/159,235.46
  6. Step 6: Final answer
    x = 125,927.24

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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.