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Finding the Fourth Proportional to 50,106.88, 75,160.32 and 13,168

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Solution

The fourth proportional to 50,106.88, 75,160.32 and 13,168 is: 19,752.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,106.88 : 75,160.32 = 13,168 : x
  2. Step 2: Convert to fraction form
    50,106.88/75,160.32 = 13,168/x
  3. Step 3: Cross multiply
    50,106.88x = 75,160.32 × 13,168
  4. Step 4: Simplify right side
    50,106.88x = 989,711,093.76
  5. Step 5: Solve for x
    x = 989,711,093.76/50,106.88
  6. Step 6: Final answer
    x = 19,752.00

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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.