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Finding the Fourth Proportional to 74,234.70, 111,200.85 and 46,068.30

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Solution

The fourth proportional to 74,234.70, 111,200.85 and 46,068.30 is: 69,008.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,234.70 : 111,200.85 = 46,068.30 : x
  2. Step 2: Convert to fraction form
    74,234.70/111,200.85 = 46,068.30/x
  3. Step 3: Cross multiply
    74,234.70x = 111,200.85 × 46,068.30
  4. Step 4: Simplify right side
    74,234.70x = 5,122,834,118.06
  5. Step 5: Solve for x
    x = 5,122,834,118.06/74,234.70
  6. Step 6: Final answer
    x = 69,008.62

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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.