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Finding the Fourth Proportional to 76,354.71, 114,476.64 and 51,332.64

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Solution

The fourth proportional to 76,354.71, 114,476.64 and 51,332.64 is: 76,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,354.71 : 114,476.64 = 51,332.64 : x
  2. Step 2: Convert to fraction form
    76,354.71/114,476.64 = 51,332.64/x
  3. Step 3: Cross multiply
    76,354.71x = 114,476.64 × 51,332.64
  4. Step 4: Simplify right side
    76,354.71x = 5,876,388,149.53
  5. Step 5: Solve for x
    x = 5,876,388,149.53/76,354.71
  6. Step 6: Final answer
    x = 76,961.70

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1.5x scale

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.