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Finding the Fourth Proportional to 176,823.90, 265,299.80 and 109,276.88

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Solution

The fourth proportional to 176,823.90, 265,299.80 and 109,276.88 is: 163,954.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,823.90 : 265,299.80 = 109,276.88 : x
  2. Step 2: Convert to fraction form
    176,823.90/265,299.80 = 109,276.88/x
  3. Step 3: Cross multiply
    176,823.90x = 265,299.80 × 109,276.88
  4. Step 4: Simplify right side
    176,823.90x = 28,991,134,408.62
  5. Step 5: Solve for x
    x = 28,991,134,408.62/176,823.90
  6. Step 6: Final answer
    x = 163,954.84

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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.