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Finding the Fourth Proportional to 113,676.89, 156,883.44 and 62,699.60

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Solution

The fourth proportional to 113,676.89, 156,883.44 and 62,699.60 is: 86,530.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,676.89 : 156,883.44 = 62,699.60 : x
  2. Step 2: Convert to fraction form
    113,676.89/156,883.44 = 62,699.60/x
  3. Step 3: Cross multiply
    113,676.89x = 156,883.44 × 62,699.60
  4. Step 4: Simplify right side
    113,676.89x = 9,836,528,150.21
  5. Step 5: Solve for x
    x = 9,836,528,150.21/113,676.89
  6. Step 6: Final answer
    x = 86,530.59

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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.