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Finding the Fourth Proportional to 164,347.62, 246,520.89 and 39,688.62

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Solution

The fourth proportional to 164,347.62, 246,520.89 and 39,688.62 is: 59,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,347.62 : 246,520.89 = 39,688.62 : x
  2. Step 2: Convert to fraction form
    164,347.62/246,520.89 = 39,688.62/x
  3. Step 3: Cross multiply
    164,347.62x = 246,520.89 × 39,688.62
  4. Step 4: Simplify right side
    164,347.62x = 9,784,073,925.27
  5. Step 5: Solve for x
    x = 9,784,073,925.27/164,347.62
  6. Step 6: Final answer
    x = 59,532.80

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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.