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Finding the Fourth Proportional to 174,512.30, 261,805.65 and 99,668.30

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Solution

The fourth proportional to 174,512.30, 261,805.65 and 99,668.30 is: 149,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,512.30 : 261,805.65 = 99,668.30 : x
  2. Step 2: Convert to fraction form
    174,512.30/261,805.65 = 99,668.30/x
  3. Step 3: Cross multiply
    174,512.30x = 261,805.65 × 99,668.30
  4. Step 4: Simplify right side
    174,512.30x = 26,093,724,065.90
  5. Step 5: Solve for x
    x = 26,093,724,065.90/174,512.30
  6. Step 6: Final answer
    x = 149,523.70

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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.