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Finding the Fourth Proportional to 186,635.98, 280,070.07 and 75,827.98

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Solution

The fourth proportional to 186,635.98, 280,070.07 and 75,827.98 is: 113,789.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,635.98 : 280,070.07 = 75,827.98 : x
  2. Step 2: Convert to fraction form
    186,635.98/280,070.07 = 75,827.98/x
  3. Step 3: Cross multiply
    186,635.98x = 280,070.07 × 75,827.98
  4. Step 4: Simplify right side
    186,635.98x = 21,237,147,666.56
  5. Step 5: Solve for x
    x = 21,237,147,666.56/186,635.98
  6. Step 6: Final answer
    x = 113,789.14

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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.