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Finding the Fourth Proportional to 151,140.80, 226,701.60 and 51,300.80

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Solution

The fourth proportional to 151,140.80, 226,701.60 and 51,300.80 is: 76,947.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,140.80 : 226,701.60 = 51,300.80 : x
  2. Step 2: Convert to fraction form
    151,140.80/226,701.60 = 51,300.80/x
  3. Step 3: Cross multiply
    151,140.80x = 226,701.60 × 51,300.80
  4. Step 4: Simplify right side
    151,140.80x = 11,629,973,441.28
  5. Step 5: Solve for x
    x = 11,629,973,441.28/151,140.80
  6. Step 6: Final answer
    x = 76,947.94

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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.