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Finding the Fourth Proportional to 116,674.80, 175,012.20 and 93,346.80

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Solution

The fourth proportional to 116,674.80, 175,012.20 and 93,346.80 is: 140,020.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,674.80 : 175,012.20 = 93,346.80 : x
  2. Step 2: Convert to fraction form
    116,674.80/175,012.20 = 93,346.80/x
  3. Step 3: Cross multiply
    116,674.80x = 175,012.20 × 93,346.80
  4. Step 4: Simplify right side
    116,674.80x = 16,336,828,830.96
  5. Step 5: Solve for x
    x = 16,336,828,830.96/116,674.80
  6. Step 6: Final answer
    x = 140,020.20

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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.