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Finding the Fourth Proportional to 250,863.84, 346,193.08 and 136,142.46

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Solution

The fourth proportional to 250,863.84, 346,193.08 and 136,142.46 is: 187,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,863.84 : 346,193.08 = 136,142.46 : x
  2. Step 2: Convert to fraction form
    250,863.84/346,193.08 = 136,142.46/x
  3. Step 3: Cross multiply
    250,863.84x = 346,193.08 × 136,142.46
  4. Step 4: Simplify right side
    250,863.84x = 47,131,577,205.82
  5. Step 5: Solve for x
    x = 47,131,577,205.82/250,863.84
  6. Step 6: Final answer
    x = 187,877.13

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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.