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Finding the Fourth Proportional to 186,069.96, 256,770.54 and 105,504.66

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Solution

The fourth proportional to 186,069.96, 256,770.54 and 105,504.66 is: 145,593.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,069.96 : 256,770.54 = 105,504.66 : x
  2. Step 2: Convert to fraction form
    186,069.96/256,770.54 = 105,504.66/x
  3. Step 3: Cross multiply
    186,069.96x = 256,770.54 × 105,504.66
  4. Step 4: Simplify right side
    186,069.96x = 27,090,488,520.72
  5. Step 5: Solve for x
    x = 27,090,488,520.72/186,069.96
  6. Step 6: Final answer
    x = 145,593.03

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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.