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Finding the Fourth Proportional to 114,687.87, 172,088.20 and 51,552.60

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Solution

The fourth proportional to 114,687.87, 172,088.20 and 51,552.60 is: 77,354.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,687.87 : 172,088.20 = 51,552.60 : x
  2. Step 2: Convert to fraction form
    114,687.87/172,088.20 = 51,552.60/x
  3. Step 3: Cross multiply
    114,687.87x = 172,088.20 × 51,552.60
  4. Step 4: Simplify right side
    114,687.87x = 8,871,594,236.44
  5. Step 5: Solve for x
    x = 8,871,594,236.44/114,687.87
  6. Step 6: Final answer
    x = 77,354.25

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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.