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Finding the Fourth Proportional to 123,259.28, 184,916.76 and 39,024.56

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Solution

The fourth proportional to 123,259.28, 184,916.76 and 39,024.56 is: 58,545.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,259.28 : 184,916.76 = 39,024.56 : x
  2. Step 2: Convert to fraction form
    123,259.28/184,916.76 = 39,024.56/x
  3. Step 3: Cross multiply
    123,259.28x = 184,916.76 × 39,024.56
  4. Step 4: Simplify right side
    123,259.28x = 7,216,295,195.63
  5. Step 5: Solve for x
    x = 7,216,295,195.63/123,259.28
  6. Step 6: Final answer
    x = 58,545.65

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1.5x scale

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.