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Finding the Fourth Proportional to 186,704.94, 279,888.90 and 126,753.60

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Solution

The fourth proportional to 186,704.94, 279,888.90 and 126,753.60 is: 190,016.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,704.94 : 279,888.90 = 126,753.60 : x
  2. Step 2: Convert to fraction form
    186,704.94/279,888.90 = 126,753.60/x
  3. Step 3: Cross multiply
    186,704.94x = 279,888.90 × 126,753.60
  4. Step 4: Simplify right side
    186,704.94x = 35,476,925,675.04
  5. Step 5: Solve for x
    x = 35,476,925,675.04/186,704.94
  6. Step 6: Final answer
    x = 190,016.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.