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Finding the Fourth Proportional to 101,644.61, 152,440.34 and 30,548.23

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Solution

The fourth proportional to 101,644.61, 152,440.34 and 30,548.23 is: 45,814.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,644.61 : 152,440.34 = 30,548.23 : x
  2. Step 2: Convert to fraction form
    101,644.61/152,440.34 = 30,548.23/x
  3. Step 3: Cross multiply
    101,644.61x = 152,440.34 × 30,548.23
  4. Step 4: Simplify right side
    101,644.61x = 4,656,782,998.84
  5. Step 5: Solve for x
    x = 4,656,782,998.84/101,644.61
  6. Step 6: Final answer
    x = 45,814.36

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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.