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Finding the Fourth Proportional to 83,169.35, 124,770.23 and 35,784.35

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Solution

The fourth proportional to 83,169.35, 124,770.23 and 35,784.35 is: 53,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,169.35 : 124,770.23 = 35,784.35 : x
  2. Step 2: Convert to fraction form
    83,169.35/124,770.23 = 35,784.35/x
  3. Step 3: Cross multiply
    83,169.35x = 124,770.23 × 35,784.35
  4. Step 4: Simplify right side
    83,169.35x = 4,464,821,400.98
  5. Step 5: Solve for x
    x = 4,464,821,400.98/83,169.35
  6. Step 6: Final answer
    x = 53,683.50

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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.