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Finding the Fourth Proportional to 164,557.80, 246,836.70 and 39,898.80

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Solution

The fourth proportional to 164,557.80, 246,836.70 and 39,898.80 is: 59,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,557.80 : 246,836.70 = 39,898.80 : x
  2. Step 2: Convert to fraction form
    164,557.80/246,836.70 = 39,898.80/x
  3. Step 3: Cross multiply
    164,557.80x = 246,836.70 × 39,898.80
  4. Step 4: Simplify right side
    164,557.80x = 9,848,488,125.96
  5. Step 5: Solve for x
    x = 9,848,488,125.96/164,557.80
  6. Step 6: Final answer
    x = 59,848.20

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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.