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Finding the Fourth Proportional to 123,045.75, 184,568.76 and 29,551.50

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Solution

The fourth proportional to 123,045.75, 184,568.76 and 29,551.50 is: 44,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,045.75 : 184,568.76 = 29,551.50 : x
  2. Step 2: Convert to fraction form
    123,045.75/184,568.76 = 29,551.50/x
  3. Step 3: Cross multiply
    123,045.75x = 184,568.76 × 29,551.50
  4. Step 4: Simplify right side
    123,045.75x = 5,454,283,711.14
  5. Step 5: Solve for x
    x = 5,454,283,711.14/123,045.75
  6. Step 6: Final answer
    x = 44,327.28

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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.