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Finding the Fourth Proportional to 108,473.40, 162,734.40 and 41,907.60

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Solution

The fourth proportional to 108,473.40, 162,734.40 and 41,907.60 is: 62,870.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,473.40 : 162,734.40 = 41,907.60 : x
  2. Step 2: Convert to fraction form
    108,473.40/162,734.40 = 41,907.60/x
  3. Step 3: Cross multiply
    108,473.40x = 162,734.40 × 41,907.60
  4. Step 4: Simplify right side
    108,473.40x = 6,819,808,141.44
  5. Step 5: Solve for x
    x = 6,819,808,141.44/108,473.40
  6. Step 6: Final answer
    x = 62,870.79

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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.