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Finding the Fourth Proportional to 116,672.40, 175,012.20 and 45,592.02

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Solution

The fourth proportional to 116,672.40, 175,012.20 and 45,592.02 is: 68,389.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,672.40 : 175,012.20 = 45,592.02 : x
  2. Step 2: Convert to fraction form
    116,672.40/175,012.20 = 45,592.02/x
  3. Step 3: Cross multiply
    116,672.40x = 175,012.20 × 45,592.02
  4. Step 4: Simplify right side
    116,672.40x = 7,979,159,722.64
  5. Step 5: Solve for x
    x = 7,979,159,722.64/116,672.40
  6. Step 6: Final answer
    x = 68,389.44

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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.