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Finding the Fourth Proportional to 172,399.03, 237,889.99 and 95,898.80

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Solution

The fourth proportional to 172,399.03, 237,889.99 and 95,898.80 is: 132,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,399.03 : 237,889.99 = 95,898.80 : x
  2. Step 2: Convert to fraction form
    172,399.03/237,889.99 = 95,898.80/x
  3. Step 3: Cross multiply
    172,399.03x = 237,889.99 × 95,898.80
  4. Step 4: Simplify right side
    172,399.03x = 22,813,364,927.99
  5. Step 5: Solve for x
    x = 22,813,364,927.99/172,399.03
  6. Step 6: Final answer
    x = 132,328.85

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1.5x scale

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.