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Finding the Fourth Proportional to 122,609.60, 183,914.40 and 63,463.40

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Solution

The fourth proportional to 122,609.60, 183,914.40 and 63,463.40 is: 95,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,609.60 : 183,914.40 = 63,463.40 : x
  2. Step 2: Convert to fraction form
    122,609.60/183,914.40 = 63,463.40/x
  3. Step 3: Cross multiply
    122,609.60x = 183,914.40 × 63,463.40
  4. Step 4: Simplify right side
    122,609.60x = 11,671,833,132.96
  5. Step 5: Solve for x
    x = 11,671,833,132.96/122,609.60
  6. Step 6: Final answer
    x = 95,195.10

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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.