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Finding the Fourth Proportional to 114,818.70, 172,169.02 and 51,584.64

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Solution

The fourth proportional to 114,818.70, 172,169.02 and 51,584.64 is: 77,350.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,818.70 : 172,169.02 = 51,584.64 : x
  2. Step 2: Convert to fraction form
    114,818.70/172,169.02 = 51,584.64/x
  3. Step 3: Cross multiply
    114,818.70x = 172,169.02 × 51,584.64
  4. Step 4: Simplify right side
    114,818.70x = 8,881,276,915.85
  5. Step 5: Solve for x
    x = 8,881,276,915.85/114,818.70
  6. Step 6: Final answer
    x = 77,350.44

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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.