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Finding the Fourth Proportional to 117,375.40, 176,063.10 and 97,330.60

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Solution

The fourth proportional to 117,375.40, 176,063.10 and 97,330.60 is: 145,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,375.40 : 176,063.10 = 97,330.60 : x
  2. Step 2: Convert to fraction form
    117,375.40/176,063.10 = 97,330.60/x
  3. Step 3: Cross multiply
    117,375.40x = 176,063.10 × 97,330.60
  4. Step 4: Simplify right side
    117,375.40x = 17,136,327,160.86
  5. Step 5: Solve for x
    x = 17,136,327,160.86/117,375.40
  6. Step 6: Final answer
    x = 145,995.90

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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.