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Finding the Fourth Proportional to 186,554.88, 257,414.31 and 104,872.32

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Solution

The fourth proportional to 186,554.88, 257,414.31 and 104,872.32 is: 144,706.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,554.88 : 257,414.31 = 104,872.32 : x
  2. Step 2: Convert to fraction form
    186,554.88/257,414.31 = 104,872.32/x
  3. Step 3: Cross multiply
    186,554.88x = 257,414.31 × 104,872.32
  4. Step 4: Simplify right side
    186,554.88x = 26,995,635,890.90
  5. Step 5: Solve for x
    x = 26,995,635,890.90/186,554.88
  6. Step 6: Final answer
    x = 144,706.14

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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.