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Finding the Fourth Proportional to 247,095.76, 370,220.10 and 165,890.68

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Solution

The fourth proportional to 247,095.76, 370,220.10 and 165,890.68 is: 248,551.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,095.76 : 370,220.10 = 165,890.68 : x
  2. Step 2: Convert to fraction form
    247,095.76/370,220.10 = 165,890.68/x
  3. Step 3: Cross multiply
    247,095.76x = 370,220.10 × 165,890.68
  4. Step 4: Simplify right side
    247,095.76x = 61,416,064,138.67
  5. Step 5: Solve for x
    x = 61,416,064,138.67/247,095.76
  6. Step 6: Final answer
    x = 248,551.67

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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.