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Finding the Fourth Proportional to 108,364.56, 149,554.34 and 62,425.80

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Solution

The fourth proportional to 108,364.56, 149,554.34 and 62,425.80 is: 86,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,364.56 : 149,554.34 = 62,425.80 : x
  2. Step 2: Convert to fraction form
    108,364.56/149,554.34 = 62,425.80/x
  3. Step 3: Cross multiply
    108,364.56x = 149,554.34 × 62,425.80
  4. Step 4: Simplify right side
    108,364.56x = 9,336,049,317.97
  5. Step 5: Solve for x
    x = 9,336,049,317.97/108,364.56
  6. Step 6: Final answer
    x = 86,154.08

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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.