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Finding the Fourth Proportional to 89,924.63, 134,817.12 and 58,267.80

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Solution

The fourth proportional to 89,924.63, 134,817.12 and 58,267.80 is: 87,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,924.63 : 134,817.12 = 58,267.80 : x
  2. Step 2: Convert to fraction form
    89,924.63/134,817.12 = 58,267.80/x
  3. Step 3: Cross multiply
    89,924.63x = 134,817.12 × 58,267.80
  4. Step 4: Simplify right side
    89,924.63x = 7,855,496,984.74
  5. Step 5: Solve for x
    x = 7,855,496,984.74/89,924.63
  6. Step 6: Final answer
    x = 87,356.46

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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.