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Finding the Fourth Proportional to 231,052.60, 346,578.90 and 64,840.60

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Solution

The fourth proportional to 231,052.60, 346,578.90 and 64,840.60 is: 97,260.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,052.60 : 346,578.90 = 64,840.60 : x
  2. Step 2: Convert to fraction form
    231,052.60/346,578.90 = 64,840.60/x
  3. Step 3: Cross multiply
    231,052.60x = 346,578.90 × 64,840.60
  4. Step 4: Simplify right side
    231,052.60x = 22,472,383,823.34
  5. Step 5: Solve for x
    x = 22,472,383,823.34/231,052.60
  6. Step 6: Final answer
    x = 97,260.90

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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.