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Finding the Fourth Proportional to 170,553.06, 255,866.58 and 65,372.13

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Solution

The fourth proportional to 170,553.06, 255,866.58 and 65,372.13 is: 98,072.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,553.06 : 255,866.58 = 65,372.13 : x
  2. Step 2: Convert to fraction form
    170,553.06/255,866.58 = 65,372.13/x
  3. Step 3: Cross multiply
    170,553.06x = 255,866.58 × 65,372.13
  4. Step 4: Simplify right side
    170,553.06x = 16,726,543,330.42
  5. Step 5: Solve for x
    x = 16,726,543,330.42/170,553.06
  6. Step 6: Final answer
    x = 98,072.37

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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.