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Finding the Fourth Proportional to 247,187.70, 370,780.46 and 105,011.16

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Solution

The fourth proportional to 247,187.70, 370,780.46 and 105,011.16 is: 157,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,187.70 : 370,780.46 = 105,011.16 : x
  2. Step 2: Convert to fraction form
    247,187.70/370,780.46 = 105,011.16/x
  3. Step 3: Cross multiply
    247,187.70x = 370,780.46 × 105,011.16
  4. Step 4: Simplify right side
    247,187.70x = 38,936,085,684.88
  5. Step 5: Solve for x
    x = 38,936,085,684.88/247,187.70
  6. Step 6: Final answer
    x = 157,516.27

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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.