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Finding the Fourth Proportional to 124,391.35, 171,660.11 and 70,676.44

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Solution

The fourth proportional to 124,391.35, 171,660.11 and 70,676.44 is: 97,533.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,391.35 : 171,660.11 = 70,676.44 : x
  2. Step 2: Convert to fraction form
    124,391.35/171,660.11 = 70,676.44/x
  3. Step 3: Cross multiply
    124,391.35x = 171,660.11 × 70,676.44
  4. Step 4: Simplify right side
    124,391.35x = 12,132,325,464.81
  5. Step 5: Solve for x
    x = 12,132,325,464.81/124,391.35
  6. Step 6: Final answer
    x = 97,533.51

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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.