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Finding the Fourth Proportional to 108,284.65, 149,428.51 and 59,883.44

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Solution

The fourth proportional to 108,284.65, 149,428.51 and 59,883.44 is: 82,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,284.65 : 149,428.51 = 59,883.44 : x
  2. Step 2: Convert to fraction form
    108,284.65/149,428.51 = 59,883.44/x
  3. Step 3: Cross multiply
    108,284.65x = 149,428.51 × 59,883.44
  4. Step 4: Simplify right side
    108,284.65x = 8,948,292,316.02
  5. Step 5: Solve for x
    x = 8,948,292,316.02/108,284.65
  6. Step 6: Final answer
    x = 82,636.76

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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.