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Finding the Fourth Proportional to 224,745.56, 310,142.94 and 124,141.40

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Solution

The fourth proportional to 224,745.56, 310,142.94 and 124,141.40 is: 171,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,745.56 : 310,142.94 = 124,141.40 : x
  2. Step 2: Convert to fraction form
    224,745.56/310,142.94 = 124,141.40/x
  3. Step 3: Cross multiply
    224,745.56x = 310,142.94 × 124,141.40
  4. Step 4: Simplify right side
    224,745.56x = 38,501,578,771.72
  5. Step 5: Solve for x
    x = 38,501,578,771.72/224,745.56
  6. Step 6: Final answer
    x = 171,311.85

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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.