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Finding the Fourth Proportional to 123,485.40, 185,118.08 and 44,582.08

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Solution

The fourth proportional to 123,485.40, 185,118.08 and 44,582.08 is: 66,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,485.40 : 185,118.08 = 44,582.08 : x
  2. Step 2: Convert to fraction form
    123,485.40/185,118.08 = 44,582.08/x
  3. Step 3: Cross multiply
    123,485.40x = 185,118.08 × 44,582.08
  4. Step 4: Simplify right side
    123,485.40x = 8,252,949,052.01
  5. Step 5: Solve for x
    x = 8,252,949,052.01/123,485.40
  6. Step 6: Final answer
    x = 66,833.40

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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.