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Finding the Fourth Proportional to 73,509.48, 101,333.70 and 45,193.32

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Solution

The fourth proportional to 73,509.48, 101,333.70 and 45,193.32 is: 62,299.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,509.48 : 101,333.70 = 45,193.32 : x
  2. Step 2: Convert to fraction form
    73,509.48/101,333.70 = 45,193.32/x
  3. Step 3: Cross multiply
    73,509.48x = 101,333.70 × 45,193.32
  4. Step 4: Simplify right side
    73,509.48x = 4,579,606,330.88
  5. Step 5: Solve for x
    x = 4,579,606,330.88/73,509.48
  6. Step 6: Final answer
    x = 62,299.53

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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.