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Finding the Fourth Proportional to 116,769.48, 175,211.46 and 72,384.48

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Solution

The fourth proportional to 116,769.48, 175,211.46 and 72,384.48 is: 108,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,769.48 : 175,211.46 = 72,384.48 : x
  2. Step 2: Convert to fraction form
    116,769.48/175,211.46 = 72,384.48/x
  3. Step 3: Cross multiply
    116,769.48x = 175,211.46 × 72,384.48
  4. Step 4: Simplify right side
    116,769.48x = 12,682,590,422.14
  5. Step 5: Solve for x
    x = 12,682,590,422.14/116,769.48
  6. Step 6: Final answer
    x = 108,612.20

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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.