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Finding the Fourth Proportional to 176,911.70, 265,367.55 and 169,913.30

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Solution

The fourth proportional to 176,911.70, 265,367.55 and 169,913.30 is: 254,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,911.70 : 265,367.55 = 169,913.30 : x
  2. Step 2: Convert to fraction form
    176,911.70/265,367.55 = 169,913.30/x
  3. Step 3: Cross multiply
    176,911.70x = 265,367.55 × 169,913.30
  4. Step 4: Simplify right side
    176,911.70x = 45,089,476,133.42
  5. Step 5: Solve for x
    x = 45,089,476,133.42/176,911.70
  6. Step 6: Final answer
    x = 254,869.95

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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.