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Finding the Fourth Proportional to 74,562.59, 111,801.53 and 50,898.80

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Solution

The fourth proportional to 74,562.59, 111,801.53 and 50,898.80 is: 76,319.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,562.59 : 111,801.53 = 50,898.80 : x
  2. Step 2: Convert to fraction form
    74,562.59/111,801.53 = 50,898.80/x
  3. Step 3: Cross multiply
    74,562.59x = 111,801.53 × 50,898.80
  4. Step 4: Simplify right side
    74,562.59x = 5,690,563,493.03
  5. Step 5: Solve for x
    x = 5,690,563,493.03/74,562.59
  6. Step 6: Final answer
    x = 76,319.28

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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.