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Finding the Fourth Proportional to 184,358.91, 254,420.22 and 103,789.50

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Solution

The fourth proportional to 184,358.91, 254,420.22 and 103,789.50 is: 143,232.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,358.91 : 254,420.22 = 103,789.50 : x
  2. Step 2: Convert to fraction form
    184,358.91/254,420.22 = 103,789.50/x
  3. Step 3: Cross multiply
    184,358.91x = 254,420.22 × 103,789.50
  4. Step 4: Simplify right side
    184,358.91x = 26,406,147,423.69
  5. Step 5: Solve for x
    x = 26,406,147,423.69/184,358.91
  6. Step 6: Final answer
    x = 143,232.28

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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.