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Finding the Fourth Proportional to 230,075.90, 344,908.65 and 89,801.90

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Solution

The fourth proportional to 230,075.90, 344,908.65 and 89,801.90 is: 134,622.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,075.90 : 344,908.65 = 89,801.90 : x
  2. Step 2: Convert to fraction form
    230,075.90/344,908.65 = 89,801.90/x
  3. Step 3: Cross multiply
    230,075.90x = 344,908.65 × 89,801.90
  4. Step 4: Simplify right side
    230,075.90x = 30,973,452,096.44
  5. Step 5: Solve for x
    x = 30,973,452,096.44/230,075.90
  6. Step 6: Final answer
    x = 134,622.76

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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.