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Finding the Fourth Proportional to 176,626.90, 264,940.35 and 137,212.30

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Solution

The fourth proportional to 176,626.90, 264,940.35 and 137,212.30 is: 205,818.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,626.90 : 264,940.35 = 137,212.30 : x
  2. Step 2: Convert to fraction form
    176,626.90/264,940.35 = 137,212.30/x
  3. Step 3: Cross multiply
    176,626.90x = 264,940.35 × 137,212.30
  4. Step 4: Simplify right side
    176,626.90x = 36,353,074,786.31
  5. Step 5: Solve for x
    x = 36,353,074,786.31/176,626.90
  6. Step 6: Final answer
    x = 205,818.45

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1.5x scale

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.