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Finding the Fourth Proportional to 74,006.70, 111,010.05 and 73,350.60

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Solution

The fourth proportional to 74,006.70, 111,010.05 and 73,350.60 is: 110,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,006.70 : 111,010.05 = 73,350.60 : x
  2. Step 2: Convert to fraction form
    74,006.70/111,010.05 = 73,350.60/x
  3. Step 3: Cross multiply
    74,006.70x = 111,010.05 × 73,350.60
  4. Step 4: Simplify right side
    74,006.70x = 8,142,653,773.53
  5. Step 5: Solve for x
    x = 8,142,653,773.53/74,006.70
  6. Step 6: Final answer
    x = 110,025.90

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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.