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Finding the Fourth Proportional to 239,604.69, 359,368.90 and 79,667.32

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Solution

The fourth proportional to 239,604.69, 359,368.90 and 79,667.32 is: 119,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,604.69 : 359,368.90 = 79,667.32 : x
  2. Step 2: Convert to fraction form
    239,604.69/359,368.90 = 79,667.32/x
  3. Step 3: Cross multiply
    239,604.69x = 359,368.90 × 79,667.32
  4. Step 4: Simplify right side
    239,604.69x = 28,629,957,154.35
  5. Step 5: Solve for x
    x = 28,629,957,154.35/239,604.69
  6. Step 6: Final answer
    x = 119,488.30

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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.