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Finding the Fourth Proportional to 89,854.34, 134,742.14 and 33,655.01

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Solution

The fourth proportional to 89,854.34, 134,742.14 and 33,655.01 is: 50,467.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,854.34 : 134,742.14 = 33,655.01 : x
  2. Step 2: Convert to fraction form
    89,854.34/134,742.14 = 33,655.01/x
  3. Step 3: Cross multiply
    89,854.34x = 134,742.14 × 33,655.01
  4. Step 4: Simplify right side
    89,854.34x = 4,534,747,227.14
  5. Step 5: Solve for x
    x = 4,534,747,227.14/89,854.34
  6. Step 6: Final answer
    x = 50,467.76

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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.