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Finding the Fourth Proportional to 172,102.38, 237,369.84 and 124,513.26

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Solution

The fourth proportional to 172,102.38, 237,369.84 and 124,513.26 is: 171,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,102.38 : 237,369.84 = 124,513.26 : x
  2. Step 2: Convert to fraction form
    172,102.38/237,369.84 = 124,513.26/x
  3. Step 3: Cross multiply
    172,102.38x = 237,369.84 × 124,513.26
  4. Step 4: Simplify right side
    172,102.38x = 29,555,692,604.08
  5. Step 5: Solve for x
    x = 29,555,692,604.08/172,102.38
  6. Step 6: Final answer
    x = 171,733.20

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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.