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Finding the Fourth Proportional to 74,208.70, 111,323.85 and 24,276.70

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Solution

The fourth proportional to 74,208.70, 111,323.85 and 24,276.70 is: 36,418.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,208.70 : 111,323.85 = 24,276.70 : x
  2. Step 2: Convert to fraction form
    74,208.70/111,323.85 = 24,276.70/x
  3. Step 3: Cross multiply
    74,208.70x = 111,323.85 × 24,276.70
  4. Step 4: Simplify right side
    74,208.70x = 2,702,575,709.30
  5. Step 5: Solve for x
    x = 2,702,575,709.30/74,208.70
  6. Step 6: Final answer
    x = 36,418.58

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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.