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Finding the Fourth Proportional to 224,745.63, 310,148.96 and 124,143.63

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Solution

The fourth proportional to 224,745.63, 310,148.96 and 124,143.63 is: 171,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,745.63 : 310,148.96 = 124,143.63 : x
  2. Step 2: Convert to fraction form
    224,745.63/310,148.96 = 124,143.63/x
  3. Step 3: Cross multiply
    224,745.63x = 310,148.96 × 124,143.63
  4. Step 4: Simplify right side
    224,745.63x = 38,503,017,735.12
  5. Step 5: Solve for x
    x = 38,503,017,735.12/224,745.63
  6. Step 6: Final answer
    x = 171,318.20

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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.