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Finding the Fourth Proportional to 425,116.75, 637,453.68 and 158,658.13

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Solution

The fourth proportional to 425,116.75, 637,453.68 and 158,658.13 is: 237,904.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,116.75 : 637,453.68 = 158,658.13 : x
  2. Step 2: Convert to fraction form
    425,116.75/637,453.68 = 158,658.13/x
  3. Step 3: Cross multiply
    425,116.75x = 637,453.68 × 158,658.13
  4. Step 4: Simplify right side
    425,116.75x = 101,137,211,717.56
  5. Step 5: Solve for x
    x = 101,137,211,717.56/425,116.75
  6. Step 6: Final answer
    x = 237,904.56

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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.