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Finding the Fourth Proportional to 123,684.60, 185,526.90 and 44,801.40

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Solution

The fourth proportional to 123,684.60, 185,526.90 and 44,801.40 is: 67,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,684.60 : 185,526.90 = 44,801.40 : x
  2. Step 2: Convert to fraction form
    123,684.60/185,526.90 = 44,801.40/x
  3. Step 3: Cross multiply
    123,684.60x = 185,526.90 × 44,801.40
  4. Step 4: Simplify right side
    123,684.60x = 8,311,864,857.66
  5. Step 5: Solve for x
    x = 8,311,864,857.66/123,684.60
  6. Step 6: Final answer
    x = 67,202.10

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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.