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Finding the Fourth Proportional to 425,121.29, 637,460.48 and 158,662.67

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Solution

The fourth proportional to 425,121.29, 637,460.48 and 158,662.67 is: 237,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,121.29 : 637,460.48 = 158,662.67 : x
  2. Step 2: Convert to fraction form
    425,121.29/637,460.48 = 158,662.67/x
  3. Step 3: Cross multiply
    425,121.29x = 637,460.48 × 158,662.67
  4. Step 4: Simplify right side
    425,121.29x = 101,141,177,795.67
  5. Step 5: Solve for x
    x = 101,141,177,795.67/425,121.29
  6. Step 6: Final answer
    x = 237,911.35

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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.