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Finding the Fourth Proportional to 317,178.04, 437,706.30 and 173,939.14

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Solution

The fourth proportional to 317,178.04, 437,706.30 and 173,939.14 is: 240,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,178.04 : 437,706.30 = 173,939.14 : x
  2. Step 2: Convert to fraction form
    317,178.04/437,706.30 = 173,939.14/x
  3. Step 3: Cross multiply
    317,178.04x = 437,706.30 × 173,939.14
  4. Step 4: Simplify right side
    317,178.04x = 76,134,257,394.58
  5. Step 5: Solve for x
    x = 76,134,257,394.58/317,178.04
  6. Step 6: Final answer
    x = 240,036.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.