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Finding the Fourth Proportional to 108,353.96, 149,497.34 and 62,405.09

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Solution

The fourth proportional to 108,353.96, 149,497.34 and 62,405.09 is: 86,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,353.96 : 149,497.34 = 62,405.09 : x
  2. Step 2: Convert to fraction form
    108,353.96/149,497.34 = 62,405.09/x
  3. Step 3: Cross multiply
    108,353.96x = 149,497.34 × 62,405.09
  4. Step 4: Simplify right side
    108,353.96x = 9,329,394,957.46
  5. Step 5: Solve for x
    x = 9,329,394,957.46/108,353.96
  6. Step 6: Final answer
    x = 86,101.10

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1.5x scale

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.