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Finding the Fourth Proportional to 247,009.54, 370,624.98 and 113,818.48

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Solution

The fourth proportional to 247,009.54, 370,624.98 and 113,818.48 is: 170,778.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,009.54 : 370,624.98 = 113,818.48 : x
  2. Step 2: Convert to fraction form
    247,009.54/370,624.98 = 113,818.48/x
  3. Step 3: Cross multiply
    247,009.54x = 370,624.98 × 113,818.48
  4. Step 4: Simplify right side
    247,009.54x = 42,183,971,873.63
  5. Step 5: Solve for x
    x = 42,183,971,873.63/247,009.54
  6. Step 6: Final answer
    x = 170,778.72

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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.