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Finding the Fourth Proportional to 124,604.54, 171,928.45 and 73,591.40

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Solution

The fourth proportional to 124,604.54, 171,928.45 and 73,591.40 is: 101,540.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,604.54 : 171,928.45 = 73,591.40 : x
  2. Step 2: Convert to fraction form
    124,604.54/171,928.45 = 73,591.40/x
  3. Step 3: Cross multiply
    124,604.54x = 171,928.45 × 73,591.40
  4. Step 4: Simplify right side
    124,604.54x = 12,652,455,857.14
  5. Step 5: Solve for x
    x = 12,652,455,857.14/124,604.54
  6. Step 6: Final answer
    x = 101,540.89

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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.