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Finding the Fourth Proportional to 186,649.62, 280,090.54 and 75,841.62

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Solution

The fourth proportional to 186,649.62, 280,090.54 and 75,841.62 is: 113,809.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,649.62 : 280,090.54 = 75,841.62 : x
  2. Step 2: Convert to fraction form
    186,649.62/280,090.54 = 75,841.62/x
  3. Step 3: Cross multiply
    186,649.62x = 280,090.54 × 75,841.62
  4. Step 4: Simplify right side
    186,649.62x = 21,242,520,300.27
  5. Step 5: Solve for x
    x = 21,242,520,300.27/186,649.62
  6. Step 6: Final answer
    x = 113,809.61

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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.