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Finding the Fourth Proportional to 50,141, 75,211.50 and 15,080.70

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Solution

The fourth proportional to 50,141, 75,211.50 and 15,080.70 is: 22,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,141 : 75,211.50 = 15,080.70 : x
  2. Step 2: Convert to fraction form
    50,141/75,211.50 = 15,080.70/x
  3. Step 3: Cross multiply
    50,141x = 75,211.50 × 15,080.70
  4. Step 4: Simplify right side
    50,141x = 1,134,242,068.05
  5. Step 5: Solve for x
    x = 1,134,242,068.05/50,141
  6. Step 6: Final answer
    x = 22,621.05

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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.