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Finding the Fourth Proportional to 123,698.88, 185,646.72 and 44,835.60

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Solution

The fourth proportional to 123,698.88, 185,646.72 and 44,835.60 is: 67,289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,698.88 : 185,646.72 = 44,835.60 : x
  2. Step 2: Convert to fraction form
    123,698.88/185,646.72 = 44,835.60/x
  3. Step 3: Cross multiply
    123,698.88x = 185,646.72 × 44,835.60
  4. Step 4: Simplify right side
    123,698.88x = 8,323,582,079.23
  5. Step 5: Solve for x
    x = 8,323,582,079.23/123,698.88
  6. Step 6: Final answer
    x = 67,289.07

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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.