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Finding the Fourth Proportional to 101,849.37, 152,774.04 and 54,320.47

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Solution

The fourth proportional to 101,849.37, 152,774.04 and 54,320.47 is: 81,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,849.37 : 152,774.04 = 54,320.47 : x
  2. Step 2: Convert to fraction form
    101,849.37/152,774.04 = 54,320.47/x
  3. Step 3: Cross multiply
    101,849.37x = 152,774.04 × 54,320.47
  4. Step 4: Simplify right side
    101,849.37x = 8,298,757,172.81
  5. Step 5: Solve for x
    x = 8,298,757,172.81/101,849.37
  6. Step 6: Final answer
    x = 81,480.70

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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.