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Finding the Fourth Proportional to 123,667.62, 185,509.19 and 34,928.07

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Solution

The fourth proportional to 123,667.62, 185,509.19 and 34,928.07 is: 52,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,667.62 : 185,509.19 = 34,928.07 : x
  2. Step 2: Convert to fraction form
    123,667.62/185,509.19 = 34,928.07/x
  3. Step 3: Cross multiply
    123,667.62x = 185,509.19 × 34,928.07
  4. Step 4: Simplify right side
    123,667.62x = 6,479,477,973.96
  5. Step 5: Solve for x
    x = 6,479,477,973.96/123,667.62
  6. Step 6: Final answer
    x = 52,394.30

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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.