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Finding the Fourth Proportional to 164,585.20, 246,877.80 and 123,113.20

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Solution

The fourth proportional to 164,585.20, 246,877.80 and 123,113.20 is: 184,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,585.20 : 246,877.80 = 123,113.20 : x
  2. Step 2: Convert to fraction form
    164,585.20/246,877.80 = 123,113.20/x
  3. Step 3: Cross multiply
    164,585.20x = 246,877.80 × 123,113.20
  4. Step 4: Simplify right side
    164,585.20x = 30,393,915,966.96
  5. Step 5: Solve for x
    x = 30,393,915,966.96/164,585.20
  6. Step 6: Final answer
    x = 184,669.80

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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.