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Finding the Fourth Proportional to 251,516.64, 377,288.40 and 64,529.76

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Solution

The fourth proportional to 251,516.64, 377,288.40 and 64,529.76 is: 96,798.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,516.64 : 377,288.40 = 64,529.76 : x
  2. Step 2: Convert to fraction form
    251,516.64/377,288.40 = 64,529.76/x
  3. Step 3: Cross multiply
    251,516.64x = 377,288.40 × 64,529.76
  4. Step 4: Simplify right side
    251,516.64x = 24,346,329,902.78
  5. Step 5: Solve for x
    x = 24,346,329,902.78/251,516.64
  6. Step 6: Final answer
    x = 96,798.09

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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.