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Finding the Fourth Proportional to 184,261.68, 276,217.54 and 72,013.90

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Solution

The fourth proportional to 184,261.68, 276,217.54 and 72,013.90 is: 107,952.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,261.68 : 276,217.54 = 72,013.90 : x
  2. Step 2: Convert to fraction form
    184,261.68/276,217.54 = 72,013.90/x
  3. Step 3: Cross multiply
    184,261.68x = 276,217.54 × 72,013.90
  4. Step 4: Simplify right side
    184,261.68x = 19,891,502,303.81
  5. Step 5: Solve for x
    x = 19,891,502,303.81/184,261.68
  6. Step 6: Final answer
    x = 107,952.46

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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.