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Finding the Fourth Proportional to 116,611.19, 174,691.29 and 97,666.30

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Solution

The fourth proportional to 116,611.19, 174,691.29 and 97,666.30 is: 146,310.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,611.19 : 174,691.29 = 97,666.30 : x
  2. Step 2: Convert to fraction form
    116,611.19/174,691.29 = 97,666.30/x
  3. Step 3: Cross multiply
    116,611.19x = 174,691.29 × 97,666.30
  4. Step 4: Simplify right side
    116,611.19x = 17,061,451,499.80
  5. Step 5: Solve for x
    x = 17,061,451,499.80/116,611.19
  6. Step 6: Final answer
    x = 146,310.59

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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.