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Finding the Fourth Proportional to 184,505.95, 276,828.64 and 72,266.38

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Solution

The fourth proportional to 184,505.95, 276,828.64 and 72,266.38 is: 108,426.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,505.95 : 276,828.64 = 72,266.38 : x
  2. Step 2: Convert to fraction form
    184,505.95/276,828.64 = 72,266.38/x
  3. Step 3: Cross multiply
    184,505.95x = 276,828.64 × 72,266.38
  4. Step 4: Simplify right side
    184,505.95x = 20,005,402,820.39
  5. Step 5: Solve for x
    x = 20,005,402,820.39/184,505.95
  6. Step 6: Final answer
    x = 108,426.87

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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.