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Finding the Fourth Proportional to 122,304.96, 183,484.98 and 43,419.06

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Solution

The fourth proportional to 122,304.96, 183,484.98 and 43,419.06 is: 65,138.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,304.96 : 183,484.98 = 43,419.06 : x
  2. Step 2: Convert to fraction form
    122,304.96/183,484.98 = 43,419.06/x
  3. Step 3: Cross multiply
    122,304.96x = 183,484.98 × 43,419.06
  4. Step 4: Simplify right side
    122,304.96x = 7,966,745,355.72
  5. Step 5: Solve for x
    x = 7,966,745,355.72/122,304.96
  6. Step 6: Final answer
    x = 65,138.37

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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.