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Finding the Fourth Proportional to 123,040.40, 184,560.60 and 107,488.40

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Solution

The fourth proportional to 123,040.40, 184,560.60 and 107,488.40 is: 161,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,040.40 : 184,560.60 = 107,488.40 : x
  2. Step 2: Convert to fraction form
    123,040.40/184,560.60 = 107,488.40/x
  3. Step 3: Cross multiply
    123,040.40x = 184,560.60 × 107,488.40
  4. Step 4: Simplify right side
    123,040.40x = 19,838,123,597.04
  5. Step 5: Solve for x
    x = 19,838,123,597.04/123,040.40
  6. Step 6: Final answer
    x = 161,232.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.