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Finding the Fourth Proportional to 230,529, 318,130.02 and 124,545

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Solution

The fourth proportional to 230,529, 318,130.02 and 124,545 is: 171,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,529 : 318,130.02 = 124,545 : x
  2. Step 2: Convert to fraction form
    230,529/318,130.02 = 124,545/x
  3. Step 3: Cross multiply
    230,529x = 318,130.02 × 124,545
  4. Step 4: Simplify right side
    230,529x = 39,621,503,340.90
  5. Step 5: Solve for x
    x = 39,621,503,340.90/230,529
  6. Step 6: Final answer
    x = 171,872.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.