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Finding the Fourth Proportional to 120,000.26, 179,898.33 and 73,285.94

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Solution

The fourth proportional to 120,000.26, 179,898.33 and 73,285.94 is: 109,866.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,000.26 : 179,898.33 = 73,285.94 : x
  2. Step 2: Convert to fraction form
    120,000.26/179,898.33 = 73,285.94/x
  3. Step 3: Cross multiply
    120,000.26x = 179,898.33 × 73,285.94
  4. Step 4: Simplify right side
    120,000.26x = 13,184,018,218.48
  5. Step 5: Solve for x
    x = 13,184,018,218.48/120,000.26
  6. Step 6: Final answer
    x = 109,866.58

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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.