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Finding the Fourth Proportional to 123,079.59, 184,619.37 and 38,846.30

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Solution

The fourth proportional to 123,079.59, 184,619.37 and 38,846.30 is: 58,269.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,079.59 : 184,619.37 = 38,846.30 : x
  2. Step 2: Convert to fraction form
    123,079.59/184,619.37 = 38,846.30/x
  3. Step 3: Cross multiply
    123,079.59x = 184,619.37 × 38,846.30
  4. Step 4: Simplify right side
    123,079.59x = 7,171,779,432.83
  5. Step 5: Solve for x
    x = 7,171,779,432.83/123,079.59
  6. Step 6: Final answer
    x = 58,269.45

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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.