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Finding the Fourth Proportional to 73,502.40, 101,426.40 and 50,865.60

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Solution

The fourth proportional to 73,502.40, 101,426.40 and 50,865.60 is: 70,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,502.40 : 101,426.40 = 50,865.60 : x
  2. Step 2: Convert to fraction form
    73,502.40/101,426.40 = 50,865.60/x
  3. Step 3: Cross multiply
    73,502.40x = 101,426.40 × 50,865.60
  4. Step 4: Simplify right side
    73,502.40x = 5,159,114,691.84
  5. Step 5: Solve for x
    x = 5,159,114,691.84/73,502.40
  6. Step 6: Final answer
    x = 70,189.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.