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Finding the Fourth Proportional to 239,295.20, 358,941.18 and 114,257.12

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Solution

The fourth proportional to 239,295.20, 358,941.18 and 114,257.12 is: 171,384.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,295.20 : 358,941.18 = 114,257.12 : x
  2. Step 2: Convert to fraction form
    239,295.20/358,941.18 = 114,257.12/x
  3. Step 3: Cross multiply
    239,295.20x = 358,941.18 × 114,257.12
  4. Step 4: Simplify right side
    239,295.20x = 41,011,585,476.20
  5. Step 5: Solve for x
    x = 41,011,585,476.20/239,295.20
  6. Step 6: Final answer
    x = 171,384.91

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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.