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Finding the Fourth Proportional to 89,751, 134,626.50 and 24,087

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Solution

The fourth proportional to 89,751, 134,626.50 and 24,087 is: 36,130.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,751 : 134,626.50 = 24,087 : x
  2. Step 2: Convert to fraction form
    89,751/134,626.50 = 24,087/x
  3. Step 3: Cross multiply
    89,751x = 134,626.50 × 24,087
  4. Step 4: Simplify right side
    89,751x = 3,242,748,505.50
  5. Step 5: Solve for x
    x = 3,242,748,505.50/89,751
  6. Step 6: Final answer
    x = 36,130.50

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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.