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Finding the Fourth Proportional to 108,671.85, 151,829.55 and 108,671.85

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Solution

The fourth proportional to 108,671.85, 151,829.55 and 108,671.85 is: 151,829.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,671.85 : 151,829.55 = 108,671.85 : x
  2. Step 2: Convert to fraction form
    108,671.85/151,829.55 = 108,671.85/x
  3. Step 3: Cross multiply
    108,671.85x = 151,829.55 × 108,671.85
  4. Step 4: Simplify right side
    108,671.85x = 16,499,598,083.17
  5. Step 5: Solve for x
    x = 16,499,598,083.17/108,671.85
  6. Step 6: Final answer
    x = 151,829.55

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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.