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Finding the Fourth Proportional to 67,848.10, 101,772.15 and 50,133.40

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Solution

The fourth proportional to 67,848.10, 101,772.15 and 50,133.40 is: 75,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,848.10 : 101,772.15 = 50,133.40 : x
  2. Step 2: Convert to fraction form
    67,848.10/101,772.15 = 50,133.40/x
  3. Step 3: Cross multiply
    67,848.10x = 101,772.15 × 50,133.40
  4. Step 4: Simplify right side
    67,848.10x = 5,102,183,904.81
  5. Step 5: Solve for x
    x = 5,102,183,904.81/67,848.10
  6. Step 6: Final answer
    x = 75,200.10

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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.