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Finding the Fourth Proportional to 172,357.00, 258,535.58 and 54,037.57

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Solution

The fourth proportional to 172,357.00, 258,535.58 and 54,037.57 is: 81,056.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,357.00 : 258,535.58 = 54,037.57 : x
  2. Step 2: Convert to fraction form
    172,357.00/258,535.58 = 54,037.57/x
  3. Step 3: Cross multiply
    172,357.00x = 258,535.58 × 54,037.57
  4. Step 4: Simplify right side
    172,357.00x = 13,970,633,787.85
  5. Step 5: Solve for x
    x = 13,970,633,787.85/172,357.00
  6. Step 6: Final answer
    x = 81,056.37

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1.5x scale

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.