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Finding the Fourth Proportional to 108,395.58, 149,582.07 and 59,997.60

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Solution

The fourth proportional to 108,395.58, 149,582.07 and 59,997.60 is: 82,794.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,395.58 : 149,582.07 = 59,997.60 : x
  2. Step 2: Convert to fraction form
    108,395.58/149,582.07 = 59,997.60/x
  3. Step 3: Cross multiply
    108,395.58x = 149,582.07 × 59,997.60
  4. Step 4: Simplify right side
    108,395.58x = 8,974,564,455.12
  5. Step 5: Solve for x
    x = 8,974,564,455.12/108,395.58
  6. Step 6: Final answer
    x = 82,794.56

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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.