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Finding the Fourth Proportional to 79,533.62, 109,756.62 and 45,542.62

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Solution

The fourth proportional to 79,533.62, 109,756.62 and 45,542.62 is: 62,848.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,533.62 : 109,756.62 = 45,542.62 : x
  2. Step 2: Convert to fraction form
    79,533.62/109,756.62 = 45,542.62/x
  3. Step 3: Cross multiply
    79,533.62x = 109,756.62 × 45,542.62
  4. Step 4: Simplify right side
    79,533.62x = 4,998,604,037.14
  5. Step 5: Solve for x
    x = 4,998,604,037.14/79,533.62
  6. Step 6: Final answer
    x = 62,848.94

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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.