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Finding the Fourth Proportional to 158,388.87, 237,563.48 and 51,763.91

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Solution

The fourth proportional to 158,388.87, 237,563.48 and 51,763.91 is: 77,639.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,388.87 : 237,563.48 = 51,763.91 : x
  2. Step 2: Convert to fraction form
    158,388.87/237,563.48 = 51,763.91/x
  3. Step 3: Cross multiply
    158,388.87x = 237,563.48 × 51,763.91
  4. Step 4: Simplify right side
    158,388.87x = 12,297,214,875.89
  5. Step 5: Solve for x
    x = 12,297,214,875.89/158,388.87
  6. Step 6: Final answer
    x = 77,639.39

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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.