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Finding the Fourth Proportional to 67,914.40, 101,670.72 and 50,461.60

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Solution

The fourth proportional to 67,914.40, 101,670.72 and 50,461.60 is: 75,543.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,914.40 : 101,670.72 = 50,461.60 : x
  2. Step 2: Convert to fraction form
    67,914.40/101,670.72 = 50,461.60/x
  3. Step 3: Cross multiply
    67,914.40x = 101,670.72 × 50,461.60
  4. Step 4: Simplify right side
    67,914.40x = 5,130,467,204.35
  5. Step 5: Solve for x
    x = 5,130,467,204.35/67,914.40
  6. Step 6: Final answer
    x = 75,543.14

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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.