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Finding the Fourth Proportional to 186,871.80, 280,566.90 and 116,887.80

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Solution

The fourth proportional to 186,871.80, 280,566.90 and 116,887.80 is: 175,493.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,871.80 : 280,566.90 = 116,887.80 : x
  2. Step 2: Convert to fraction form
    186,871.80/280,566.90 = 116,887.80/x
  3. Step 3: Cross multiply
    186,871.80x = 280,566.90 × 116,887.80
  4. Step 4: Simplify right side
    186,871.80x = 32,794,847,693.82
  5. Step 5: Solve for x
    x = 32,794,847,693.82/186,871.80
  6. Step 6: Final answer
    x = 175,493.83

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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.