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Finding the Fourth Proportional to 164,916.60, 231,349.80 and 164,916.60

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Solution

The fourth proportional to 164,916.60, 231,349.80 and 164,916.60 is: 231,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,916.60 : 231,349.80 = 164,916.60 : x
  2. Step 2: Convert to fraction form
    164,916.60/231,349.80 = 164,916.60/x
  3. Step 3: Cross multiply
    164,916.60x = 231,349.80 × 164,916.60
  4. Step 4: Simplify right side
    164,916.60x = 38,153,422,426.68
  5. Step 5: Solve for x
    x = 38,153,422,426.68/164,916.60
  6. Step 6: Final answer
    x = 231,349.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.