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Finding the Fourth Proportional to 108,307.58, 162,350.60 and 41,721.62

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Solution

The fourth proportional to 108,307.58, 162,350.60 and 41,721.62 is: 62,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,307.58 : 162,350.60 = 41,721.62 : x
  2. Step 2: Convert to fraction form
    108,307.58/162,350.60 = 41,721.62/x
  3. Step 3: Cross multiply
    108,307.58x = 162,350.60 × 41,721.62
  4. Step 4: Simplify right side
    108,307.58x = 6,773,529,019.61
  5. Step 5: Solve for x
    x = 6,773,529,019.61/108,307.58
  6. Step 6: Final answer
    x = 62,539.75

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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.