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Finding the Fourth Proportional to 183,488.48, 253,215.89 and 101,818.61

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Solution

The fourth proportional to 183,488.48, 253,215.89 and 101,818.61 is: 140,510.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,488.48 : 253,215.89 = 101,818.61 : x
  2. Step 2: Convert to fraction form
    183,488.48/253,215.89 = 101,818.61/x
  3. Step 3: Cross multiply
    183,488.48x = 253,215.89 × 101,818.61
  4. Step 4: Simplify right side
    183,488.48x = 25,782,089,949.71
  5. Step 5: Solve for x
    x = 25,782,089,949.71/183,488.48
  6. Step 6: Final answer
    x = 140,510.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.