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Finding the Fourth Proportional to 108,664.60, 152,337.80 and 108,664.60

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Solution

The fourth proportional to 108,664.60, 152,337.80 and 108,664.60 is: 152,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,664.60 : 152,337.80 = 108,664.60 : x
  2. Step 2: Convert to fraction form
    108,664.60/152,337.80 = 108,664.60/x
  3. Step 3: Cross multiply
    108,664.60x = 152,337.80 × 108,664.60
  4. Step 4: Simplify right side
    108,664.60x = 16,553,726,101.88
  5. Step 5: Solve for x
    x = 16,553,726,101.88/108,664.60
  6. Step 6: Final answer
    x = 152,337.80

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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.