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Finding the Fourth Proportional to 251,624.96, 377,437.44 and 64,636.64

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Solution

The fourth proportional to 251,624.96, 377,437.44 and 64,636.64 is: 96,954.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,624.96 : 377,437.44 = 64,636.64 : x
  2. Step 2: Convert to fraction form
    251,624.96/377,437.44 = 64,636.64/x
  3. Step 3: Cross multiply
    251,624.96x = 377,437.44 × 64,636.64
  4. Step 4: Simplify right side
    251,624.96x = 24,396,287,931.80
  5. Step 5: Solve for x
    x = 24,396,287,931.80/251,624.96
  6. Step 6: Final answer
    x = 96,954.96

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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.