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Finding the Fourth Proportional to 353,793.20, 530,759.84 and 101,075.84

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Solution

The fourth proportional to 353,793.20, 530,759.84 and 101,075.84 is: 151,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,793.20 : 530,759.84 = 101,075.84 : x
  2. Step 2: Convert to fraction form
    353,793.20/530,759.84 = 101,075.84/x
  3. Step 3: Cross multiply
    353,793.20x = 530,759.84 × 101,075.84
  4. Step 4: Simplify right side
    353,793.20x = 53,646,996,666.27
  5. Step 5: Solve for x
    x = 53,646,996,666.27/353,793.20
  6. Step 6: Final answer
    x = 151,633.77

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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.