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Finding the Fourth Proportional to 122,527.60, 183,748.20 and 43,644.40

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Solution

The fourth proportional to 122,527.60, 183,748.20 and 43,644.40 is: 65,451.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,527.60 : 183,748.20 = 43,644.40 : x
  2. Step 2: Convert to fraction form
    122,527.60/183,748.20 = 43,644.40/x
  3. Step 3: Cross multiply
    122,527.60x = 183,748.20 × 43,644.40
  4. Step 4: Simplify right side
    122,527.60x = 8,019,579,940.08
  5. Step 5: Solve for x
    x = 8,019,579,940.08/122,527.60
  6. Step 6: Final answer
    x = 65,451.21

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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.