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Finding the Fourth Proportional to 114,293.67, 171,480.88 and 51,108.20

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Solution

The fourth proportional to 114,293.67, 171,480.88 and 51,108.20 is: 76,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,293.67 : 171,480.88 = 51,108.20 : x
  2. Step 2: Convert to fraction form
    114,293.67/171,480.88 = 51,108.20/x
  3. Step 3: Cross multiply
    114,293.67x = 171,480.88 × 51,108.20
  4. Step 4: Simplify right side
    114,293.67x = 8,764,079,111.22
  5. Step 5: Solve for x
    x = 8,764,079,111.22/114,293.67
  6. Step 6: Final answer
    x = 76,680.35

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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.