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Finding the Fourth Proportional to 239,179.72, 358,768.14 and 72,967.72

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Solution

The fourth proportional to 239,179.72, 358,768.14 and 72,967.72 is: 109,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,179.72 : 358,768.14 = 72,967.72 : x
  2. Step 2: Convert to fraction form
    239,179.72/358,768.14 = 72,967.72/x
  3. Step 3: Cross multiply
    239,179.72x = 358,768.14 × 72,967.72
  4. Step 4: Simplify right side
    239,179.72x = 26,178,493,184.44
  5. Step 5: Solve for x
    x = 26,178,493,184.44/239,179.72
  6. Step 6: Final answer
    x = 109,451.14

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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.