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Finding the Fourth Proportional to 108,548.70, 162,823.05 and 64,152.60

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Solution

The fourth proportional to 108,548.70, 162,823.05 and 64,152.60 is: 96,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,548.70 : 162,823.05 = 64,152.60 : x
  2. Step 2: Convert to fraction form
    108,548.70/162,823.05 = 64,152.60/x
  3. Step 3: Cross multiply
    108,548.70x = 162,823.05 × 64,152.60
  4. Step 4: Simplify right side
    108,548.70x = 10,445,521,997.43
  5. Step 5: Solve for x
    x = 10,445,521,997.43/108,548.70
  6. Step 6: Final answer
    x = 96,228.90

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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.