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Finding the Fourth Proportional to 149,814.80, 224,430.60 and 83,135.60

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Solution

The fourth proportional to 149,814.80, 224,430.60 and 83,135.60 is: 124,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,814.80 : 224,430.60 = 83,135.60 : x
  2. Step 2: Convert to fraction form
    149,814.80/224,430.60 = 83,135.60/x
  3. Step 3: Cross multiply
    149,814.80x = 224,430.60 × 83,135.60
  4. Step 4: Simplify right side
    149,814.80x = 18,658,172,589.36
  5. Step 5: Solve for x
    x = 18,658,172,589.36/149,814.80
  6. Step 6: Final answer
    x = 124,541.58

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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.