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Finding the Fourth Proportional to 108,425.58, 149,598.86 and 62,473.97

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Solution

The fourth proportional to 108,425.58, 149,598.86 and 62,473.97 is: 86,197.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,425.58 : 149,598.86 = 62,473.97 : x
  2. Step 2: Convert to fraction form
    108,425.58/149,598.86 = 62,473.97/x
  3. Step 3: Cross multiply
    108,425.58x = 149,598.86 × 62,473.97
  4. Step 4: Simplify right side
    108,425.58x = 9,346,033,631.31
  5. Step 5: Solve for x
    x = 9,346,033,631.31/108,425.58
  6. Step 6: Final answer
    x = 86,197.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.