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Finding the Fourth Proportional to 117,752.40, 176,596.20 and 47,638.80

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Solution

The fourth proportional to 117,752.40, 176,596.20 and 47,638.80 is: 71,445.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,752.40 : 176,596.20 = 47,638.80 : x
  2. Step 2: Convert to fraction form
    117,752.40/176,596.20 = 47,638.80/x
  3. Step 3: Cross multiply
    117,752.40x = 176,596.20 × 47,638.80
  4. Step 4: Simplify right side
    117,752.40x = 8,412,831,052.56
  5. Step 5: Solve for x
    x = 8,412,831,052.56/117,752.40
  6. Step 6: Final answer
    x = 71,445.09

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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.