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Finding the Fourth Proportional to 76,423.64, 114,628.64 and 26,502.64

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Solution

The fourth proportional to 76,423.64, 114,628.64 and 26,502.64 is: 39,751.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,423.64 : 114,628.64 = 26,502.64 : x
  2. Step 2: Convert to fraction form
    76,423.64/114,628.64 = 26,502.64/x
  3. Step 3: Cross multiply
    76,423.64x = 114,628.64 × 26,502.64
  4. Step 4: Simplify right side
    76,423.64x = 3,037,961,579.61
  5. Step 5: Solve for x
    x = 3,037,961,579.61/76,423.64
  6. Step 6: Final answer
    x = 39,751.59

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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.