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Finding the Fourth Proportional to 187,093.80, 257,894.28 and 171,648.72

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Solution

The fourth proportional to 187,093.80, 257,894.28 and 171,648.72 is: 236,604.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,093.80 : 257,894.28 = 171,648.72 : x
  2. Step 2: Convert to fraction form
    187,093.80/257,894.28 = 171,648.72/x
  3. Step 3: Cross multiply
    187,093.80x = 257,894.28 × 171,648.72
  4. Step 4: Simplify right side
    187,093.80x = 44,267,223,057.32
  5. Step 5: Solve for x
    x = 44,267,223,057.32/187,093.80
  6. Step 6: Final answer
    x = 236,604.44

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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.