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Finding the Fourth Proportional to 101,790.48, 152,586.44 and 48,468.13

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Solution

The fourth proportional to 101,790.48, 152,586.44 and 48,468.13 is: 72,654.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,790.48 : 152,586.44 = 48,468.13 : x
  2. Step 2: Convert to fraction form
    101,790.48/152,586.44 = 48,468.13/x
  3. Step 3: Cross multiply
    101,790.48x = 152,586.44 × 48,468.13
  4. Step 4: Simplify right side
    101,790.48x = 7,395,578,786.35
  5. Step 5: Solve for x
    x = 7,395,578,786.35/101,790.48
  6. Step 6: Final answer
    x = 72,654.92

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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.