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Finding the Fourth Proportional to 220,610.49, 330,877.65 and 58,505.67

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Solution

The fourth proportional to 220,610.49, 330,877.65 and 58,505.67 is: 87,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,610.49 : 330,877.65 = 58,505.67 : x
  2. Step 2: Convert to fraction form
    220,610.49/330,877.65 = 58,505.67/x
  3. Step 3: Cross multiply
    220,610.49x = 330,877.65 × 58,505.67
  4. Step 4: Simplify right side
    220,610.49x = 19,358,217,579.88
  5. Step 5: Solve for x
    x = 19,358,217,579.88/220,610.49
  6. Step 6: Final answer
    x = 87,748.40

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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.