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Finding the Fourth Proportional to 89,513.36, 134,270.04 and 42,624.08

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Solution

The fourth proportional to 89,513.36, 134,270.04 and 42,624.08 is: 63,936.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,513.36 : 134,270.04 = 42,624.08 : x
  2. Step 2: Convert to fraction form
    89,513.36/134,270.04 = 42,624.08/x
  3. Step 3: Cross multiply
    89,513.36x = 134,270.04 × 42,624.08
  4. Step 4: Simplify right side
    89,513.36x = 5,723,136,926.56
  5. Step 5: Solve for x
    x = 5,723,136,926.56/89,513.36
  6. Step 6: Final answer
    x = 63,936.12

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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.