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Finding the Fourth Proportional to 64,144.53, 88,461.75 and 41,459.67

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Solution

The fourth proportional to 64,144.53, 88,461.75 and 41,459.67 is: 57,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,144.53 : 88,461.75 = 41,459.67 : x
  2. Step 2: Convert to fraction form
    64,144.53/88,461.75 = 41,459.67/x
  3. Step 3: Cross multiply
    64,144.53x = 88,461.75 × 41,459.67
  4. Step 4: Simplify right side
    64,144.53x = 3,667,595,118.10
  5. Step 5: Solve for x
    x = 3,667,595,118.10/64,144.53
  6. Step 6: Final answer
    x = 57,177.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.