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Finding the Fourth Proportional to 123,307.72, 184,947.10 and 34,568.37

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Solution

The fourth proportional to 123,307.72, 184,947.10 and 34,568.37 is: 51,848.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,307.72 : 184,947.10 = 34,568.37 : x
  2. Step 2: Convert to fraction form
    123,307.72/184,947.10 = 34,568.37/x
  3. Step 3: Cross multiply
    123,307.72x = 184,947.10 × 34,568.37
  4. Step 4: Simplify right side
    123,307.72x = 6,393,319,696.81
  5. Step 5: Solve for x
    x = 6,393,319,696.81/123,307.72
  6. Step 6: Final answer
    x = 51,848.50

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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.