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Finding the Fourth Proportional to 176,909.70, 265,364.55 and 169,911.30

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Solution

The fourth proportional to 176,909.70, 265,364.55 and 169,911.30 is: 254,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,909.70 : 265,364.55 = 169,911.30 : x
  2. Step 2: Convert to fraction form
    176,909.70/265,364.55 = 169,911.30/x
  3. Step 3: Cross multiply
    176,909.70x = 265,364.55 × 169,911.30
  4. Step 4: Simplify right side
    176,909.70x = 45,088,435,664.42
  5. Step 5: Solve for x
    x = 45,088,435,664.42/176,909.70
  6. Step 6: Final answer
    x = 254,866.95

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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.