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Finding the Fourth Proportional to 117,536.60, 176,405.70 and 47,466.20

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Solution

The fourth proportional to 117,536.60, 176,405.70 and 47,466.20 is: 71,240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,536.60 : 176,405.70 = 47,466.20 : x
  2. Step 2: Convert to fraction form
    117,536.60/176,405.70 = 47,466.20/x
  3. Step 3: Cross multiply
    117,536.60x = 176,405.70 × 47,466.20
  4. Step 4: Simplify right side
    117,536.60x = 8,373,308,237.34
  5. Step 5: Solve for x
    x = 8,373,308,237.34/117,536.60
  6. Step 6: Final answer
    x = 71,240.01

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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.