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Finding the Fourth Proportional to 124,450.83, 171,735.39 and 70,728.39

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Solution

The fourth proportional to 124,450.83, 171,735.39 and 70,728.39 is: 97,601.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,450.83 : 171,735.39 = 70,728.39 : x
  2. Step 2: Convert to fraction form
    124,450.83/171,735.39 = 70,728.39/x
  3. Step 3: Cross multiply
    124,450.83x = 171,735.39 × 70,728.39
  4. Step 4: Simplify right side
    124,450.83x = 12,146,567,640.72
  5. Step 5: Solve for x
    x = 12,146,567,640.72/124,450.83
  6. Step 6: Final answer
    x = 97,601.34

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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.