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Finding the Fourth Proportional to 149,359.68, 224,039.52 and 122,958.54

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Solution

The fourth proportional to 149,359.68, 224,039.52 and 122,958.54 is: 184,437.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,359.68 : 224,039.52 = 122,958.54 : x
  2. Step 2: Convert to fraction form
    149,359.68/224,039.52 = 122,958.54/x
  3. Step 3: Cross multiply
    149,359.68x = 224,039.52 × 122,958.54
  4. Step 4: Simplify right side
    149,359.68x = 27,547,572,281.50
  5. Step 5: Solve for x
    x = 27,547,572,281.50/149,359.68
  6. Step 6: Final answer
    x = 184,437.81

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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.